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Particle Physics in the Early Universe

14–18 sept. 2026
Fuseau horaire Europe/Paris

Liste des Contributions

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  1. 2. TBA
    Ed Copeland
    14/09/2026 10:00
  2. 3. Dark Matter from a Slightly Broken Mirror
    Juri Smirnov (University of Liverpool)
    14/09/2026 10:45
  3. 30. Developments in gravitational particle production
    Oleg Lebedev (University of Helsinki)
    14/09/2026 12:00
  4. 31. Nonthermal leptogenesis via cosmological gravitational particle production
    Rocky Kolb (The University of Chicago)
    14/09/2026 14:00
  5. 32. Geodesic Completeness in General Cosmological Scenarios
    William Kinney (Univ. at Buffalo, SUNY)
    14/09/2026 14:45

    The well-known Borde-Guth-Vilenkin Theorem shows that inflationary
    spacetimes are generically geodesically past-incomplete, necessitating
    the existence of a pre-inflationary boundary of some sort, possibly
    singular. In this talk, I discuss the generalization of the BGV theorem
    to spactimes beyond inflation, including inhomogeneous and cyclic
    models. I argue that the cyclic model proposed...

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  6. 33. Non-compact QCD axion and its gravitational origin
    Prof. Mikhail Shaposhnikov (EPFL)
    14/09/2026 16:00
  7. 34. Primordial lepton asymmetries: constraints and consequences
    Julien Froustey (IFIC, CSIC-UV)
    14/09/2026 16:45
  8. 38. Kowalska
    15/09/2026 10:00
  9. 39. Lewicki
    15/09/2026 10:30
  10. 40. Conlon
    15/09/2026 11:30
  11. 41. TBA
    15/09/2026 12:00
  12. 35. Berezhiani
    15/09/2026 14:00
  13. 36. Gravitational Waves from Primordial Black Hole Reheating
    Yann GOUTTENOIRE (IAP)
    15/09/2026 14:30

    I will present the 13 channels of gravitational wave production which are at play when the universe is reheated from the evaporation of a population of primordial black holes dominating the energy density of the universe

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  14. 37. Coupled Dark Energy and Dark Matter for DESI: An Effective Guide to the Phantom Divide
    Stephen King
    15/09/2026 15:00
  15. 42. Mukaida
    15/09/2026 16:00
  16. 43. Sessolo
    15/09/2026 16:30
  17. 6. TBA
    Matteo Braglia (CERN)
    16/09/2026 10:00
  18. 7. Axion inflation with gauge fields: backreaction and signatures
    Marco Peloso (University of Padua and INFN, Sezione di Padova)
    16/09/2026 10:30
  19. 8. Dudas
    16/09/2026 11:30
  20. 9. McCullough
    16/09/2026 12:00
  21. 10. Constraining Dissipative Inflation with Open Effective Field Theories
    Thomas Colas (DAMTP - University of Cambridge)
    16/09/2026 14:00
  22. 11. Primordial black hole formation from self-resonant preheating in single-field inflation?
    Pasquale SERPICO (LAPTh)
    16/09/2026 14:30
  23. 12. Stefanyszyn
    16/09/2026 15:00
  24. 13. Świeżewska
    16/09/2026 16:00
  25. 14. New probes of supercool phase transitions and domain walls at PTA frequencies
    Pedro Schwaller (Mainz University)
    16/09/2026 16:30
  26. 45. Cocktail in the Polish Embassy (TBC)
    16/09/2026 19:00
  27. 15. TBA
    Marco Drewes (UCLouvain)
    17/09/2026 10:00
  28. 16. Gravitational production of Sterile Neutrinos
    Fotis Koutroulis (IHEP, Beijing)
    17/09/2026 10:30
  29. 17. Durrer
    17/09/2026 11:30
  30. 18. TBA
    Chiara Caprini (CERN and University of Geneva)
    17/09/2026 12:00
  31. 19. A Laplace-space approach to cosmological correlators
    Sébastien RENAUX-PETEL (IAP - CNRS)
    17/09/2026 14:00
  32. 20. Modelling Ultra-Slow-Roll Inflation
    David Wands (University of Portsmouth)
    17/09/2026 14:30
  33. 21. Pinol
    17/09/2026 15:00
  34. 22. Seesaw cosmology
    Nicolás Bernal (New York University Abu Dhabi)
    17/09/2026 16:00
  35. 23. Self-interacting dark matter: non-perturbative dynamics
    Ayuki Kamada (University of Warsaw)
    17/09/2026 16:30
  36. 44. TBA
    Alejandro Ibarra (Technical University of Munich)
    17/09/2026 17:00
  37. 24. Losada
    18/09/2026 09:30
  38. 25. Testing α-attractor models of inflation by CMB and reheating temperature
    Marek Olechowski (University of Warsaw)
    18/09/2026 10:00
  39. 26. Sakurai
    18/09/2026 10:30
  40. 27. Unveiling the Dark Ages
    JOE Silk (IAP/JHU)
    18/09/2026 11:30
  41. 28. Tong
    18/09/2026 12:00
  42. 29. Ballesteros
    18/09/2026 12:30