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SUMMARY:Macroscopic Effects of the Conformal Anomaly
DTSTART;VALUE=DATE-TIME:20190924T120000Z
DTEND;VALUE=DATE-TIME:20190924T125000Z
DTSTAMP;VALUE=DATE-TIME:20210416T032042Z
UID:indico-contribution-3024@indico.mitp.uni-mainz.de
DESCRIPTION:Speakers: Emil Mottola ()\nClassical General Relativity receiv
es an infrared relevant modification from the conformal anomaly of the ene
rgy-momentum tensor of massless\, or nearly massless\, quantum fields. The
local form of the effective action associated with the conformal anomaly
is expressible in terms of a dynamical scalar field that couples to the co
nformal factor of the spacetime metric\, allowing it to propagate over mac
roscopic distances. This leads to the prediction of scalar gravitational w
ave solutions—a spin-0 breather mode— in addition to the transversely
polarized tensor waves of the classical Einstein theory. It also implies g
enerically large quantum back reaction effects and conformal correlators i
n the vicinity of black hole horizons which are relevant to the formation
of a non-singular interior\, as well as an additional scalar degree of fre
edom in cosmology\, coupling to dynamical dark energy.\n\nhttps://indico.m
itp.uni-mainz.de/event/187/contributions/3024/
LOCATION:Mainz Institute for Theoretical Physics\, Johannes Gutenberg Univ
ersity 02.430
URL:https://indico.mitp.uni-mainz.de/event/187/contributions/3024/
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