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YOUNGST@RS - Shaping the Universe: Framework and Footprints of Cosmological Phase Transitions

→ Europe/Berlin
Mainz Institute for Theoretical Physics, Johannes Gutenberg University

Mainz Institute for Theoretical Physics, Johannes Gutenberg University

Virtual Workshop
Description

Cosmological phase transitions (PTs), intrinsically related to the symmetries governing the universe, continue drawing great interest as rich frameworks able to address open questions in particle physics and cosmology such as baryo-/leptogenesis, dark matter, neutrino mass generation and the strong CP problem, and as promising sources of detectable signals from cosmological gravitational waves and primordial magnetic fields. More precise predictions are becoming possible thanks to computational advancements.

This workshop aims to offer an overview over both conceptual and technical aspects of PTs. We will focus on generic features of PTs, Beyond-Standard-Model applications, advances in precision modelling and potential signatures. The workshop will bridge the gaps between communities working on different aspects of PTs therefore generating cross-field expertise. It will provide a dedicated platform in which experts and novices can interface with each other and build a network of know-how that can organically tackle the challenges that lay ahead, guiding future research directions.

 

Poster_Shaping the Universe.pdf
Contact @ MITP : Guest Relations Team
  • Tuesday 27 January
  • Wednesday 28 January
    • Wen Yin: Relativistic Axion with Nonrelativistic Momenta and Baumkuchen Domain Wall
    • Marieke Postma: Testing electroweak baryogenesis
      Marieke Postma_Talk_Younstars.pdf
    • Wen + Marieke Postma: Discussion with speakers
    • 10:50
      Break
    • Mohamed Y. Sassi: Domain walls in the extended Higgs Sectors: Electric Charge Violation and Electroweak Symmetry Restoration
      MOHAMED YOUNES SASSI_Talk_Youngstars.pdf
    • Tom Gent: Baryogenesis in the 2HDM+a
    • Alessia Musumeci: Nanohertz gravitational waves from the baryon- dark matter coincidence
    • 12:10
      Lunch Break
    • Giacomo Ferrante: No room for monopole dark matter
    • Cameron Moffett-Smith: Gravitational Waves in an A4 Neutrino Mass Model
    • Lorenzo Formaggio: Calculation of the Cosmic Trajectories over the QCD phase transition
    • 15:30
      Break
    • Bibhushan Shakya: BSM physics from bubble collisions
      Shakya_MITPYoungstars_2026_condensed.pdf
    • Jessica Turner: Topological Defects as Windows into the early Universe“
    • Bibhushan Shakya + Jessica Turner: Discussion with speakers
  • Thursday 29 January
    • Jorinde van de Vis: Modelling out-of-equilibrium dynamics in expanding bubbles
    • Kari Rummukainen: Dynamics of first order phase transitions on the lattice
      Dynamics_of_firswt_order_phase_KR_Shaping the Universe.pdf
    • Jorinde van de Vis + Kari Rummukainen: Discussion with speakers
    • 10:50
      Break
    • Maciej Kierkla: NLO nucleation rate and its implications in supercooled phase transitions
    • Juan Camilo Garnica-Aguirre: Bubble nucleation rate with out-of-equilibrium effects
      JuanCGarnicaA_Talk_Youngstars.pdf
    • Carlo Branchina: Electroweak phase transition and bubble wall dynamics
    • 12:10
      Lunch Break
    • Yiming Yang: Heterogeneous cosmological phase transitions: seeded by domain walls and junctions“
      YimingYang_Jan29_DW_PT.pdf
    • Riccardo Natale: Axion cosmology with parametric resonance
    • Gaurang Ramakant Kane: Supercooling in Confining Theories
      Maximal_Supercooling_presentation_Yougst@rs.pdf
    • 15:30
      Break
    • Keisuke Harigaya: Phase transition during inflation
      Keisuke_Harigaya_STU_Youngstars.pdf
    • Michael Ramsey-Musolf: Was there an Electroweak Phase Transition?
    • Keisuke Harigaya + Michael Ramsey-Musolf: Discussion with speakers
  • Friday 30 January
    • Mauro Pieroni: Testing high energy physics with GWs: GWBs
    • Oriol Pujolas: Domain wall signals
    • Mauro Pieroni + Oriol Pujolas: Discussion with speakers
    • 10:50
      Break
    • Giulio Barni: Gravitational waves from the sound shell model: direct and inverse phase transitions in the early Universe
    • Nabeen Bhusal: Temperature and kinematic effects on an expanding bubble in the early universe
    • Jinhui Guo: Supermassive Primordial Black Holes from a Catalyzed Dark Phase Transition for Little Red Dots
    • 12:10
      Lunch Break
    • Vahza Loladze: Strongly Coupled Theories, Confinement, and Gravitational Waves
    • Indrajit Saha: Gravitational Wave signatures of dark sector portal leptogenesis
      Youngstar_Indrajit.pdf
    • 15:30
      Break
    • Gabriele Ferrari: False Vacuum Decay via bubble nucleation in ferromagnetic superfluids
    • Tanmay Vachaspati: Cosmological Magnetic Fields from Electroweak Symmetry Breaking
    • Gabriele Ferrari + Tanmay Vachaspati: Discussion with speakers
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