BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//CERN//INDICO//EN
BEGIN:VEVENT
SUMMARY:Effective action and very early quantum Universe
DTSTART;VALUE=DATE-TIME:20170322T080000Z
DTEND;VALUE=DATE-TIME:20170322T091500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2227@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Andrei Barvinsky (Lebedev Physics Institute\, Moscow
\, Russia)\nWe give an overview of the effective action method in cosmolog
y with a special emphasis on its application in the theory of quantum init
ial conditions for the very early Universe and the models of Higgs and $R^
2$ inflation. The role of local gradient expansion and conformal anomaly a
s calculational methods for the effective action will be discussed and app
lied to the microcanonical state of the Universe and the model of a new ty
pe of hill-top inflation.\n\nhttps://indico.mitp.uni-mainz.de/event/72/con
tributions/2227/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2227/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Nonperturbative renormalization group for scalar fields on de Sitt
er space
DTSTART;VALUE=DATE-TIME:20170323T130000Z
DTEND;VALUE=DATE-TIME:20170323T140000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2202@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Julien Serreau (University Paris Diderot)\nI review
recent developments concerning the use of nonperturbative renormalization
group techniques for describing the nontrivial infrared regime of light sc
alar fields in de Sitter space. Long wavelength fluctuations (in units of
the spacetime curvature) undergo a dramatic gravitational amplification wh
ich is responsible for dramatic phenomena\, such as the radiative restorat
ion of spontaneously broken symmetries.\n\nhttps://indico.mitp.uni-mainz.d
e/event/72/contributions/2202/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2202/
END:VEVENT
BEGIN:VEVENT
SUMMARY:The Next Theoretical Challenges for Gravitational-Wave Observation
s
DTSTART;VALUE=DATE-TIME:20170323T080000Z
DTEND;VALUE=DATE-TIME:20170323T091500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2203@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Alessandra Buonanno (Max Planck Institute for Gravit
ational Physics)\nOne hundred years after Einstein predicted the existence
of gravitational waves on the basis \nof his theory of General Relativity
\, LIGO announced the first observation of gravitational waves passing \n
through the Earth emitted by the collision of two black holes one billion
four-hundred million light years \naway. In this talk\, I will first revie
w the theoretical groundwork that allowed to identify and interpret the \n
gravitational-wave signals\, and carry out tests of general relativity in
the strong-field\, highly dynamical \nregime. I will then discuss the next
theoretical challenges in solving the two-body problem in General \nRelat
ivity if we want to take full advantage of the discovery potential of upc
oming gravitational-wave \nobservations.\n\nhttps://indico.mitp.uni-mainz.
de/event/72/contributions/2203/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2203/
END:VEVENT
BEGIN:VEVENT
SUMMARY:LSS probes of Cosmic Acceleration
DTSTART;VALUE=DATE-TIME:20170321T144500Z
DTEND;VALUE=DATE-TIME:20170321T154500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2204@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Matteo Fasiello (Stanford University)\nOperational a
nd near-future astronomical surveys of the galaxy distribution \nwill soon
put to the test our best ideas as to the nature of the current cosmic \na
cceleration. I will briefly review the status of some of the most interest
ing \nproposals and then focus on LSS probes. The perturbative treatment o
f LSS\, especially \nin its effective theory realization\, can well descri
be the quasi-linear regime of \nstructure formation. This regime is a prec
ious repository of key information on \nboth early and late-time Universe
dynamics. I will elaborate on recent progress \ntowards including a dark e
nergy or a modified gravity component in this \nframework. Quasi-linear sc
ales have special relevance for testing any beyond \nLCDM model as these c
an perturbatively access screening dynamics.\n\nhttps://indico.mitp.uni-ma
inz.de/event/72/contributions/2204/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2204/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Weyl symmetry in the standard model and gravity
DTSTART;VALUE=DATE-TIME:20170322T094500Z
DTEND;VALUE=DATE-TIME:20170322T104500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2205@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Tomislav Prokopec (Utrecht University)\nWeyl symmetr
y can be naturally realised in Cartan-Einstein gravity both at the kinemat
ical and dynamical level. The symmetry can be naturally extended to matter
fields by a suitable generalization of covariant derivative and by supple
menting a dilaton field. Fermionic matter sources skew symmetric torsion w
hile scalar matter sources vectorial torsion trace (gauge fields do not tr
ace torsion). This implies that\, when matter fields are integrated out\,
vectorial torsion and skew symmetric torsion become dynamical. In this tal
k I will present preliminary results on physical implications of torsion t
race and skew symmetric torsion.\n\nThis talk is based on e-Print: e-Print
: arXiv:1606.02677 [hep-th] and unpublished work with Stefano Lucat.\n\nht
tps://indico.mitp.uni-mainz.de/event/72/contributions/2205/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2205/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Electrodynamic Effects of Inflationary Gravitons
DTSTART;VALUE=DATE-TIME:20170313T144500Z
DTEND;VALUE=DATE-TIME:20170313T154500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2206@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Drazen Glavan (University of Warsaw)\nPhotons are co
nformally coupled to gravity and therefore do not get produced due to cosm
ological expansion\, while gravitons are not and do get produced a lot due
to the expansion. Since gravitons \ncouple universally to all matter fiel
ds they can induce sizeable effects for conformally coupled fields through
loop corrections. I will present computations in two different gauges for
the one-loop graviton corrections to photon vacuum polarization in de Sit
ter spacetime. This is used to quantum correct Maxwell equations\, and I w
ill present two cases\, (i) correction to dynamical photons\, and (ii) cor
rection to the Coulomb force between two point charges. The corrections in
both cases exhibit secular growth. Gauge dependence will be discussed.\n\
nhttps://indico.mitp.uni-mainz.de/event/72/contributions/2206/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2206/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Scale hierarchies and string cosmology
DTSTART;VALUE=DATE-TIME:20170314T130000Z
DTEND;VALUE=DATE-TIME:20170314T140000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2207@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Ignatios Antoniadis (LPTHE Paris and AEC Bern)\nI wi
ll discuss the problem of scale hierarchies in string phenomenology of par
ticle physics and cosmology and propose ways to address it. In particular
I will present a mechanism for supersymmetry breaking in the presence of a
tiny (tunable) positive cosmological constant\, discuss connections of su
persymmetry breaking and inflation\, and describe their phenomenological c
onsequences.\n\nhttps://indico.mitp.uni-mainz.de/event/72/contributions/22
07/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2207/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Loop quantum cosmology and the cosmic microwave background
DTSTART;VALUE=DATE-TIME:20170313T093000Z
DTEND;VALUE=DATE-TIME:20170313T104500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2208@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Ivan Agullo (Louisiana State University)\nLoop quant
um cosmology has become a robust framework to describe the highest curvatu
re regime of the early universe. In this theory\, inflation is preceded by
a bounce replacing the big bang singularity. I will summarize the theoret
ical framework\, and explore the corrections to the inflationary predictio
ns for the primordial spectrum of cosmological perturbations that this pre
-inflationary\, quantum gravity phase of the universe introduces. The impa
ct of the bounce on non-Gaussianity and the exciting relation to the obser
ved large scale anomalies in the CMB will be discussed.\n\nhttps://indico.
mitp.uni-mainz.de/event/72/contributions/2208/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2208/
END:VEVENT
BEGIN:VEVENT
SUMMARY:CMB Anomalies 25 years after COBE
DTSTART;VALUE=DATE-TIME:20170315T080000Z
DTEND;VALUE=DATE-TIME:20170315T091500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2209@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: glenn starkman (Case Western Reserve University)\nSe
veral unexpected features have been observed in the temperature of the mic
rowave sky at large angular scales\, from COBE to WMAP and Planck. These
include lack of both variance and correlation on the largest angular scal
es\; alignment of the lowest multipole moments with one another and with t
he motion and geometry of the Solar System\; lack of variance in the north
ern hemisphere\, or a hemispherical power asymmetry or dipolar power modu
lation\; a preference for odd parity modes\; and an unexpectedly large col
d spot in the Southern hemisphere. The individual p-values of the signific
ance of several of these features are in the per mille to per cent level\,
compared to the expectations of the best-fit inflationary ΛCDM model. Th
ere are no good physical models for these anomalies. Rather than focus on
a debate about the validity of a posteori statistics\, or the relative mer
its of one statistical measure or another\, we will discuss how we can mak
e progress by: (a) considering how the existence of measured anomaly alter
s the predictions of ΛCDM for other observables\; (b) making predictions
from reasonable phenomenological expectations for the physics contents of
measured anomalies.\n\nhttps://indico.mitp.uni-mainz.de/event/72/contribut
ions/2209/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2209/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Recent progress in higher-derivative gravity theories
DTSTART;VALUE=DATE-TIME:20170317T130000Z
DTEND;VALUE=DATE-TIME:20170317T140000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2210@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Ilya Shapiro (Universidade Federal de Juiz de Fora)\
nRecently there were some advances in the higher-derivative \ngravity theo
ries and my purpose is to give the brief survey \nof our results. First of
all\, it was shown that the theory \nwith six or more derivatives in the
action\, which has only \ncomplex ghost-like poles\, has a unitary S-matri
x in the \nLee-Wick sense. Second\, it was shown that in this class of \nt
heories the magnitudes of the masses of the ghost-like \nstates can not be
reduced by a gravitational version of the \nsee-saw mechanism. Third\, ev
en if the masses are huge\, there \nmay be a chance to design an indirect
texts for higher \nderivatives from the astrophysical observations.\n\nhtt
ps://indico.mitp.uni-mainz.de/event/72/contributions/2210/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2210/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Recent developments in the inflationary scenario
DTSTART;VALUE=DATE-TIME:20170315T130000Z
DTEND;VALUE=DATE-TIME:20170315T140000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2211@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Alexei Starobinsky (Landau Institute for Theoretical
Physics)\nI consider reconstruction of inflationary models in GR and f(R)
gravity using information on the power spectrum of scalar perturbations o
nly\, ambiguity in this procedure and how it can be fixed by some aestheti
c assumptions on the absence of new physical scales during and after infla
tion. Also discussed is the problem on the onset of inflation from generic
classical curvature singularity preceding it\, and which conditions are n
eeded for this.\n\nhttps://indico.mitp.uni-mainz.de/event/72/contributions
/2211/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2211/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Infrared dynamics of massive scalars from the complementary serie
s in de Sitter space
DTSTART;VALUE=DATE-TIME:20170313T130000Z
DTEND;VALUE=DATE-TIME:20170313T140000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2212@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Emil Ahkmedov ()\nWe consinder loop IR effects in th
e $D$-dimensional de Sitter space. We study the\nreal scalar $\\phi^4$ the
ory from the complementary series\, i.e. with the mass obeying $0 < m \\le
q \\frac{D-1}{2}$ in units of the Hubble scale.\nWe derive an equation whi
ch allows to perform the self--consistent resummation of the leading IR co
ntributions from all loops to the two-point correlation function in the ex
panding Poincar\\'{e} patch of de Sitter space. The equation is applicable
only for masses higher than certain value\, $m > \\frac{\\sqrt{3}}{4}\\\,
\\left(D-1\\right)$: the restriction on the masses comes from the fact th
at for low enough masses there are large IR loop effects in the vertices.
The resummation can be done for such density perturbations of the Bunch--D
avies state\, which violate the de Sitter isometry. We find solutions of t
he obtained equation. Some of the solutions have an explosive behavior.\n\
nhttps://indico.mitp.uni-mainz.de/event/72/contributions/2212/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2212/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Gravitational-wave signatures of exotic compact objects and of qua
ntum corrections at the horizon scale
DTSTART;VALUE=DATE-TIME:20170316T094500Z
DTEND;VALUE=DATE-TIME:20170316T104500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2213@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Paolo Pani (Sapienza University of Rome &\; INFN
Roma1 - IST\, Lisbon)\nGravitational wave (GW) astronomy allows us for unp
recedented tests of the nature of compact objects. In this context\, I wil
l discuss two signatures of new physics at the horizon scale: GW "echoes"
in the postmerger ringdown phase of a binary coalescence\, and the tidal d
eformability of exotic compact objects as measured from the inspiral preme
rger phase. In the first case\, the ringdown waveform of exotic ultracompa
ct objects is initially identical to that of a black hole\, and putative c
orrections at the horizon scale appear only later as a modulated and disto
rted train of echoes of the modes of vibration associated with the photon
sphere. As for the second case\, I will discuss the tidal Love numbers of
different families of boson stars\, gravastars\, wormholes\, and other toy
models for quantum corrections at the horizon scale\, showing that they d
isplay a universal logarithmic dependence on the location of the surface i
n the black-hole limit. I will discuss the ability of present and future G
W detectors to measure these effects. Both LIGO\, ET and LISA can impose i
nteresting constraints on boson stars\, while LISA is able to probe even e
xtremely compact objects like gravastars. We argue that these effects prov
ide a smoking gun of new physics at the horizon scale\, and that future GW
measurements of a binary coalescence provide a novel way to test black ho
les and general relativity in the strong-field regime.\n\nhttps://indico.m
itp.uni-mainz.de/event/72/contributions/2213/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2213/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Theoretical Physics Implications of the Advanced LIGO Gravitationa
l Wave Observation
DTSTART;VALUE=DATE-TIME:20170323T094500Z
DTEND;VALUE=DATE-TIME:20170323T110000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2214@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Nicolas Yunes (Montana State University)\nThe recent
gravitational-wave observations by Advanced LIGO provided the first oppor
tunity to learn about theoretical physics mechanisms that may be present i
n the extreme gravity environment of coalescing binary black holes. The LI
GO-Virgo collaboration verified that this observation is consistent with E
instein's theory of General Relativity and the Kerr hypothesis\, constrain
ing the presence of parametric anomalies in the signal. In this talk\, I w
ill discuss the plethora of additional inferences that can be drawn on the
oretical physics mechanisms from the absence of such anomalies in the data
. I will classify these inferences in those that inform us about the gener
ation of gravitational waves\, the propagation of gravitational waves and
the structure of exotic compact object alternatives to black holes. I will
then focus on how GW150914 constrains the generation of gravitational wav
es (e.g. the activation of scalar fields\, black hole graviton leakage int
o extra dimensions\, the variability of Newton's constant\, the breakage o
f Lorentz invariance and parity invariance) as well as the propagation of
gravitational waves (e.g. the speed of gravity and the existence of large
extra dimensions).\n\nhttps://indico.mitp.uni-mainz.de/event/72/contributi
ons/2214/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2214/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Testing Infinite derivative gravity: Bounce and Cosmic inflation
DTSTART;VALUE=DATE-TIME:20170317T094500Z
DTEND;VALUE=DATE-TIME:20170317T104500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2215@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Anupam Mazumdar (Lancaster)\nI will be discussing in
finite derivative theories of gravity as a perturbative effective field th
eory of gravity\, which in the ultraviolet can become asymptotically free.
I will discuss their classical and quantum properties\naround Minkowski a
nd deSitter backgrounds. I will show how to resolve cosmological singulari
ty problem and I will discuss perturbations around deSitter background. Ac
tion which resolves cosmological singularity also gives rise to an ultravi
olet completion for Starobinsky inflation. Therefore\, a non-singular boun
ce followed by a period of cosmic inflation can lead to a successful class
ical and quantum prediction for our Universe. There are some \nsmoking gun
signatures for tensor to scalar ratio which I will describe.\n\nhttps://i
ndico.mitp.uni-mainz.de/event/72/contributions/2215/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2215/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Positivity Constraints on Effective Field Theories of Gravity
DTSTART;VALUE=DATE-TIME:20170320T094500Z
DTEND;VALUE=DATE-TIME:20170320T104500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2216@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Andrew Tolley (Imperial College London)\nI will disc
uss how the constraints from unitarity and analyticity lead to an infinite
number of positivity constraints on low energy effective theories\, start
ing initially with scalars and then generalising to theories with spin\, i
n particular gravitational theories.\n\nhttps://indico.mitp.uni-mainz.de/e
vent/72/contributions/2216/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2216/
END:VEVENT
BEGIN:VEVENT
SUMMARY:The Cosmic Microwave Background: what can we learn from the most p
recious cosmological data ?
DTSTART;VALUE=DATE-TIME:20170317T080000Z
DTEND;VALUE=DATE-TIME:20170317T091500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2217@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Ruth Durrer (Universite de Geneve)\nMost numbers in
cosmology have been measured using the anisotropies and polarisation of th
e Cosmic Microwave Background (CMB). So far other data has mainly been use
d for consistency checks and very few inconsistent measurements exist.\n\n
The reason for this is twofold: first the theory of the CMB is nearly line
ar and therefore quite simple. Secondly\, the CMB spectrum peaks around fr
equencies which allow relatively precise observations from the ground and
especially from space.\n\nIn the first part of my talk I review the relati
vely simple physics behind CMB anisotropies and polarisation and show in s
ome examples how it can be used to measure cosmological parameters.\n\nIn
a second part I outline ideas to go beyond present measurements which main
ly constrain cosmological parameters and show how we can use the CMB to te
st General Relativity on cosmological scales. If there is time\, I would a
lso like to outline interesting new developments in the theory of Large Sc
ale Structure observations and argue why we hope that future LSS surveys c
an compete with and complement CMB observations.\n\nhttps://indico.mitp.un
i-mainz.de/event/72/contributions/2217/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2217/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Remarks on non-singular black hole models
DTSTART;VALUE=DATE-TIME:20170316T130000Z
DTEND;VALUE=DATE-TIME:20170316T140000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2218@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Valeri Frolov (University of Alberta\, Edmonton\, Ca
nada)\nWe discuss spherically symmetric metrics which represent non-singul
ar black holes in four- and higher-dimensional spacetimes. We first consid
er static metrics\, which obey the following conditions: (i) Regularity at
the center and (ii) Validity of the limiting curvature condition. We desc
ribe the Hayward model and its generalizations\, which obey these properti
es. After this we discuss quantum radiation of a massless scalar field fro
m an evaporating spherically symmetric non-singular black hole with finite
lifetime. We demonstrate that in a general case there exists a huge outbu
rst of the quantum radiation\, emitted from the black hole interior from t
he domains close to the inner horizon. We discuss a relation of this pheno
menon with the mass inflation effect. Finally\, we shall make remarks on a
ttempts to solve this problem and to provide self-consistency of the non-s
ingular model in the quantum domain.\n\nhttps://indico.mitp.uni-mainz.de/e
vent/72/contributions/2218/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2218/
END:VEVENT
BEGIN:VEVENT
SUMMARY:CAN QUANTUM-GRAVITATIONAL EFFECTS BE OBSERVED IN THE COSMIC MICROW
AVE BACKGROUND?
DTSTART;VALUE=DATE-TIME:20170320T130000Z
DTEND;VALUE=DATE-TIME:20170320T140000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2219@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Claus Kiefer (University of Cologne)\nIn any approac
h to quantum gravity\, it is crucial to search\nfor observational effects.
In my talk\,\nI discuss how quantum-gravitational contributions to the\na
nisotropy spectrum of the cosmic microwave background\narise in the framew
ork of quantum geometrodynamics\n(Wheeler-DeWitt equation). \nA scenario o
f slow-roll inflation is assumed.\nI derive concrete predictions for the p
ower spectrum\nand other cosmic quantities and discuss their observability
.\nI also present a brief comparison with other approaches.\n\nhttps://ind
ico.mitp.uni-mainz.de/event/72/contributions/2219/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2219/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Cosmology with relativistic effects
DTSTART;VALUE=DATE-TIME:20170314T094500Z
DTEND;VALUE=DATE-TIME:20170314T104500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2220@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Daniele Bertacca ()\nSince the 1970s\, the size of g
alaxy catalogs has constantly increased in\nterms of solid-angle and redsh
ift coverage as well as in sampling rate.\nThe next generation of surveys
will provide us with the possibility to\nmeasure galaxy clustering on scal
es comparable with the Hubble radius (for\nexample: Euclid\, DESI\, SKAII\
, etc.). Theoretical analysis suggests that\nseveral relativistic effects
might be detectable on these scales. In order\nto fully exploit the poten
tial of the new datasets\, it is therefore\nimperative to develop analysis
tools that include these effects. I have\ndeveloped a fully general relat
ivistic formalism which recovers and\ngeneralizes previous results in the
plane-parallel (at-sky) and Newtonian\nwide-angle approximations.\nThese c
orrections become important on large scales both at low and high\nredshift
s\, and lead to new terms in the wide-angle correlations. Now we\nneed to
work out how to apply this formalism for real data and understand\nwhich c
osmological parameters are particularly affected. This will be\nimportant
for future surveys and to guide the development on the next\ngeneration of
large astrophysical experiments.\n\nhttps://indico.mitp.uni-mainz.de/even
t/72/contributions/2220/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2220/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Cosmic Evolution and Large-Scale Structure
DTSTART;VALUE=DATE-TIME:20170314T080000Z
DTEND;VALUE=DATE-TIME:20170314T091500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2221@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Matthias Bartelmann (Heidelberg University)\nThe evo
lution of cosmic structures\, in particular in its late\, non-linear phase
s\, provides important clues on the evolution of the Universe as a whole.
In view of possible\, subtle deviations from general relativity and the co
smological standard model\, non-linear cosmic structures as for example tr
aced by the population of galaxy clusters may act as magnifiers to enhance
small dynamical effects above observational thresholds. For drawing such
conclusions\, we need to understand cosmic structure formation in detail i
n particular on small scales and at late times.\n\nIn the first half of th
is overview talk\, I will review the cosmological standard model and the s
tandard approach to the formation and evolution of cosmic structures. In t
he second half\, I will discuss a new approach to cosmic structure formati
on based on a non-equilibrium\, statistical field theory for correlated\,
classical particle ensembles. First applications of this theory show that
it allows to calculate statistical properties of cosmic structures at low
orders in perturbation theory even at small scales and deeply in the non-l
inear regime. The theory builds on first principles and is free of adjusta
ble parameters.\n\nhttps://indico.mitp.uni-mainz.de/event/72/contributions
/2221/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2221/
END:VEVENT
BEGIN:VEVENT
SUMMARY:The theta-dependent vacuum energy. The application to cosmology an
d axion search experiments
DTSTART;VALUE=DATE-TIME:20170322T130000Z
DTEND;VALUE=DATE-TIME:20170322T140000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2222@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Ariel Zhitnitsky (University of British Columbia)\nI
t is argued that there is a novel type of energy related to the theta par
ameter in gauge theories. This energy has so-called ``non-dispersive natur
e" and can not be expressed in terms of any local propagating degrees o
f freedom. Instead\, this energy is generated due to the presence of the
topologically nontrivial sectors in gauge theories\, and tunnelling e
vents between them. The talk is based on 3 recent papers:\n\n1. applicatio
ns to cosmology (PRD 2015\, arXiv:1505.05151)\, \n2. proposal to study thi
s novel type of energy in a tabletop experiment in Maxwell system (PRD 201
6\, arXiv:1512.00470)\n3. New ideas for the axion search experiments sens
itive to theta_{QED} (arXiv:1702.00012)\n\nhttps://indico.mitp.uni-mainz.d
e/event/72/contributions/2222/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2222/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Effective Field Theories and Modifying Gravity: The View from Belo
w
DTSTART;VALUE=DATE-TIME:20170320T080000Z
DTEND;VALUE=DATE-TIME:20170320T091500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2223@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Cliff Burgess (McMaster University & Perimeter Insti
tute)\nWe live at a time of contradictory messages about how successfully
we understand gravity. General Relativity seems to work very well in the E
arth’s immediate neighbourhood\, but arguments abound that it needs modi
fication at very small and/or very large distances. This talk tries to put
this discussion into the broader context of similar situations in other a
reas of physics\, and summarizes some of the lessons which our good unders
tanding of gravity in the solar system has for proponents for its modifica
tion over very long and very short distances. The main message is that eff
ective theories (in the technical sense of effective) provide the natural
(and arguably only known) precise language for framing proposals. Its fram
ework is also useful\, inasmuch as it makes some modifications seem more p
lausible than others\, though there are also some surprises.\n\nhttps://in
dico.mitp.uni-mainz.de/event/72/contributions/2223/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2223/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Testing gravity on large scales with current and future Galaxy Sur
veys.
DTSTART;VALUE=DATE-TIME:20170321T080000Z
DTEND;VALUE=DATE-TIME:20170321T091500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2224@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Martin Crocce (Institute for Space Science (ICE-CSIC
/IEEC))\nThe striking discovery that the expansion of the Universe is not
slowing down but in fact accelerating has turned into one of the main myst
eries in Physics today\, with explanations that range from new repulsive f
orces\, as the dark energy\, or the failure of Einstein's General Relativi
ty (GR). Understanding this puzzle\, and others such as the dark matter or
the physics of Inflation\, has set the programme for the next decade of O
bservational Cosmology. The goal is to undertake large astronomical survey
s that\, by scanning millions of galaxies across cosmic time\, will study
the origin and evolution of the Large Scale Structure of the Universe. In
this talk I will review which are some of the probes that these surveys u
se to test GR\, such as galaxy clustering and weak lensing\, discussing cu
rrent constrains and their implications. And particularly the perspective
from ongoing and future surveys\, such as the Dark Energy Survey (DES) or
the ESA/Euclid satellite.\n\nhttps://indico.mitp.uni-mainz.de/event/72/con
tributions/2224/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2224/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Cosmology with arbitrary spin coherent fields
DTSTART;VALUE=DATE-TIME:20170314T144500Z
DTEND;VALUE=DATE-TIME:20170314T154500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2225@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Antonio L. Maroto (Universidad Complutense de Madrid
)\nCoherent scalar fields play a fundamental role in the description\, not
only of the inflationary epoch\, but also as dark matter candidates such
as the axion or in dark energy models. In this talk we will explore the p
otential role that coherent fields \nof higher spin could play in cosmolog
y. We will present a general result showing that rapidly evolving cohere
nt fields preserve the isotropy of the background expansion.\nWe will also
consider models of coherent bosonic dark matter\, providing an explicit e
xample of ultralight vector dark matter and showing the distinctive featur
es at the \nperturbations level with respect to\nthe scalar case and to co
nventional cold dark matter.\n\nhttps://indico.mitp.uni-mainz.de/event/72/
contributions/2225/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2225/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Do we understand the cosmic dipole?
DTSTART;VALUE=DATE-TIME:20170315T094500Z
DTEND;VALUE=DATE-TIME:20170315T104500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2226@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Dominik Schwarz (Bielefeld University)\nAn important
assumption of modern cosmology is that the CMB dipole is due to the prope
r motion of the solar system wrt the CMB. This fixes a reference frame for
many observations\, e.g. the Hubble diagram of SN1a. Planck observations
of the largest multipole moments are consistent with the proper motion hyp
othesis\, but also allow for sizeable non-kinetic contributions to the CMB
dipole. The proper motion hypothesis can also be tested at any other wave
length\, given good sky coverage and statistics are available. This is the
case for modern radio point source catalogues. These allow us to measure
the dipole distribution of radio sources at mean redshift of z ~ 1. The ra
dio dipole can be measured at different radio frequencies and is compared
to the CMB dipole. First results at three different frequency bands (at th
ree different instruments) indicate an excess wrt to the expected signal b
ased on the propor motion hypothesis only. The radio dipole directions are
consistent with the CMB dipole direction at all three frequencies. Togeth
er with the alignment of low-l CMB multipole moments with the \nCMB dipole
\, I argue that this is further evidence that the largest angular scales o
f the Universe are not properly understood so far.\n\nhttps://indico.mitp.
uni-mainz.de/event/72/contributions/2226/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2226/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Testing early Universe physics with upcoming observations
DTSTART;VALUE=DATE-TIME:20170321T130000Z
DTEND;VALUE=DATE-TIME:20170321T140000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2228@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Emanuela Dimastrogiovanni (Case Western Reserve Univ
ersity)\nCosmology has seen great progress thanks to precision measurement
s and\nis bound to greatly benefit from upcoming Large Scale Structure and
\nCosmic Microwave Background data. I will point out a number of\ninterest
ing directions. In particular\, I discuss how the microphysics of\ninflati
on may be tested in galaxy surveys through “fossil” signatures\norigin
ating from squeezed primordial correlations. I further elaborate\non the c
onstraining power of CMB spectral distortions on small-scale\ncosmological
fluctuations and on particle decays in the very early\nUniverse in relati
on to reheating. I also describe some of the possible\nconstraints on infl
ation and reheating from future B-mode observations.\n\nhttps://indico.mit
p.uni-mainz.de/event/72/contributions/2228/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2228/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Viscous models for the dark sector of the Universe
DTSTART;VALUE=DATE-TIME:20170324T080000Z
DTEND;VALUE=DATE-TIME:20170324T090000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2229@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Julio Fabris (Universidade Federal do Espirito Santo
)\nThe description of the present universe using a cosmological constant a
nd cold dark matter is\, in general\, very successful. However\, many prob
lems appear at non-linear level\, pointing possibly to the necessity of an
extension of the cold dark matter paradigm. One of the possibilities in t
his sense is to introduce viscosity in the dark matter component. First we
review the general properties of this viscous fluid\, and the application
s to cosmology. Later\, it is analysed the effects of both bulk and shear
viscosities on the perturbations\,\nrelevant for structure formation in la
te time cosmology.\nIt is shown that shear viscosity can be as effective a
s the bulk viscosity \non suppressing the growth of perturbations and dela
ying the non-linear regime.\nA statistical analysis of the shear and bulk
viscous effects is performed\nand some constraints on these viscous effect
s are given.\n\nhttps://indico.mitp.uni-mainz.de/event/72/contributions/22
29/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2229/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Cosmological implications of massive vector fields
DTSTART;VALUE=DATE-TIME:20170320T144500Z
DTEND;VALUE=DATE-TIME:20170320T154500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2230@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Lavinia Heisenberg (ITS-ETH Zurich)\nAfter reviewing
the basic properties of a Proca field\, I will discuss\nhow one can gener
alise it. The resulting theory has non-trivial derivative\nself-interactio
ns\, but still propagates the required three degrees of freedom\nof a mass
ive vector field. The building blocks are similar to those used\nin constr
ucting consistent theories for massive gravity and scalar theories.\nI wil
l then discuss the cosmological implications of this generalised Proca\nth
eories.\n\nhttps://indico.mitp.uni-mainz.de/event/72/contributions/2230/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2230/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Planck results on inflation and perspectives for future observatio
ns
DTSTART;VALUE=DATE-TIME:20170321T094500Z
DTEND;VALUE=DATE-TIME:20170321T104500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2231@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Fabio Finelli (INAF - IASF Bologna)\nAfter a review
of the main Planck results\, we discuss the perspectives\nfor future obser
vations to improve our understanding of cosmic inflation.\n\nhttps://indic
o.mitp.uni-mainz.de/event/72/contributions/2231/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2231/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Welcome: Organizational Meeting
DTSTART;VALUE=DATE-TIME:20170313T090000Z
DTEND;VALUE=DATE-TIME:20170313T093000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2233@indico.mitp.Uni-Mainz.DE
DESCRIPTION:https://indico.mitp.uni-mainz.de/event/72/contributions/2233/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2233/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Scalar Gravitational Waves in the Effective Theory of Gravity
DTSTART;VALUE=DATE-TIME:20170324T101500Z
DTEND;VALUE=DATE-TIME:20170324T110000Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2234@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Emil Mottola ()\nAs a low energy effective field the
ory\, classical General Relativity receives an infrared relevant modificat
ion from the conformal trace anomaly of the energy-momentum tensor of mass
less\, or nearly massless\, quantum fields. The local form of the effectiv
e action associated with the trace anomaly is expressed in terms of a dyna
mical scalar field\, the conformalon\, that couples to the conformal facto
r of the spacetime metric\, allowing it to propagate over macroscopic dist
ances. Linearized around flat spacetime\, this semi-classical EFT admits s
calar gravitational wave solutions in addition to the transversely polariz
ed tensor waves of the classical Einstein theory. Astrophysical sources fo
r scalar gravitational waves are considered\, with the excited gluonic con
densates in the interiors of neutron stars in merger events with other com
pact objects likely to provide the strongest burst signals.\n\nhttps://ind
ico.mitp.uni-mainz.de/event/72/contributions/2234/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2234/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Multi-messenger time delays from lensed gravitational waves
DTSTART;VALUE=DATE-TIME:20170324T094500Z
DTEND;VALUE=DATE-TIME:20170324T101500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2235@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Mark Trodden ()\nhttps://indico.mitp.uni-mainz.de/ev
ent/72/contributions/2235/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2235/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Testing primordial non-Gaussianity with CMB and LSS data
DTSTART;VALUE=DATE-TIME:20170315T144500Z
DTEND;VALUE=DATE-TIME:20170315T154500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2236@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Michele Liguori (Univ. of Padova)\nPrimordial non-Ga
ussianity (NG) is a powerful probe of Inflation\, able to test extra-inter
actions and extra-degrees of freedom in scenarios beyond the simplest\, st
andard single-field slow-roll paradigm.The most important observational si
gnature of primordial NG is a non-vanishing bispectrum (3-point function i
n Fourier/harmonic space) of the primordial perturbation field. After show
ing the link between different bispectrum shapes and corresponding inflati
onary scenarios\, I will describe current bispectrum constraints obtained
from the analysis of Planck CMB data. I will then discuss future potential
improvements over Planck results\, coming from the next generation CMB an
d galaxy surveys\, and their implications. I will conclude by showing the
limits that can be in principled achieved in more futuristic experimental
scenarios\, exploiting 21 cm and CMB spectral distortion fluctuations.\n\n
https://indico.mitp.uni-mainz.de/event/72/contributions/2236/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2236/
END:VEVENT
BEGIN:VEVENT
SUMMARY:What is the Quantum Matter with Black Holes?
DTSTART;VALUE=DATE-TIME:20170316T080000Z
DTEND;VALUE=DATE-TIME:20170316T094500Z
DTSTAMP;VALUE=DATE-TIME:20200224T175301Z
UID:indico-contribution-72-2237@indico.mitp.Uni-Mainz.DE
DESCRIPTION:Speakers: Emil Mottola (Los Alamos National Laboratory)\nClass
ical General Relativity (GR) together with conventional equations of state
suggest that in complete gravitational collapse a singular state of matte
r with infinite density could be reached finally\, to what is popularly ca
lled a "black hole." In addition to its interior singularities\, the char
acteristic feature of a black hole is its apparent horizon\, the surface o
f finite area at which outwardly directed light rays are first trapped. Th
e loss of information to the outside world this implies gives rise to addi
tional difficulties with well-established principles of quantum mechanics
and statistical physics. I will overview the historical and most recent ap
proaches to these problems\, as well as the status of the gravitational va
cuum condensate star proposal we have made in 2001\, with a p= - rho inter
ior is actually realized in Schwarzschild's second paper over a century ag
o. The redshifted surface tension of the condensate star surface is given
by $\\tau_s = \\Delta \\kappa/8 \\pi G$\, where $\\Delta \\kappa= 1/R_s$ i
s the difference of equal and opposite surface gravities between the exte
rior and interior Schwarzschild solutions. The First Law\, $dM = dE_v + \
\tau_s\\\, dA$ is recognized as a purely mechanical classical relation at
zero temperature and zero entropy\, describing the volume energy and surf
ace energy change respectively. Since there is no event horizon\, the Schw
arzschild time $t$ of such a non-singular gravitational condensate star is
a global time\, fully consistent with unitary time evolution in quantum t
heory. The $p=-\\bar\\rho$ interior acts as a defocusing lens for light pa
ssing through the condensate\, leading to imaging characteristics distingu
ishable from a classical black hole. Further observational test of gravita
tional condensate stars vs. black holes is the {\\it discrete} surface mo
des of oscillation and echoes which should be detectable by their gravitat
ional wave signatures.\n\nhttps://indico.mitp.uni-mainz.de/event/72/contri
butions/2237/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/72/contributions/2237/
END:VEVENT
END:VCALENDAR