3rd Paris Primordial Cosmology Meeting

Conference hall (salle 123) (Institut d'Astrophysique Spatiale)

Conference hall (salle 123)

Institut d'Astrophysique Spatiale

  • Alicia Simon-Petit
  • Artur Miroszewski
  • Christos Charmousis
  • Filippo Vernizzi
  • Gabriel Moreau
  • Hervé Bergeron
  • Houri Ziaeepour
  • Hugo Roussille
  • Jacopo Fumagalli
  • John Ronayne
  • julien grain
  • Karim Noui
  • Ken Osato
  • Lucas Pinol
  • makarim bouyahiaoui
  • Marc Besancon
  • Massimiliano Maria Riva
  • Nadège Lemarchand
  • Nathalie Besson
  • Patrick Peter
  • Pierre Auclair
  • Przemyslaw Malkiewicz
  • Renaud Parentani
  • Sébastien Renaux-Petel
  • Vincent Vennin
  • Yashar Akrami
    • 10:00 10:30
      Welcoming coffee 30m
    • 10:30 11:30
      Stochastic Gravitational Wave Background from Primordial Black Holes 1h
      Speaker: Prof. Marco Peloso (INFN)
    • 12:00 12:30
      Cosmology with gravitational waves 30m
      Speaker: Mr Auclair Pierre (APC)
    • 12:30 14:00
      lunch break 1h 30m
    • 14:00 15:00
      Backreacting quantum fields on de Sitter space — lessons from gauge-gravity duality 1h

      The stability of de Sitter space is a question of high phenomenological importance that has received renewed interest in the context of recent swampland conjectures. Despite impressive progress over the years, there are still open questions, in particular regarding the stability of de Sitter space in the presence of massless particles. Perturbative methods seem insufficient to give a conclusive answer and new theoretical tools are needed. Here I will present how gauge-gravity duality can be employed to study backreaction effects of quantum fields on de Sitter space. After reviewing the theoretical background I will show how strongly interacting large-N quantum field theories backreact on de Sitter space.

      Speaker: Dr Lukas Witkowski
    • 15:00 16:00
      ad libitum: discussions (with coffee available from 2pm) 1h