Pizza Seminars

Gravitational waves from the early universe at LIGO/VIRGO

by Benedict von Harling (IFAE)

Europe/Madrid
Seminar (IFAE)

Seminar

IFAE

Description

The gravitational-wave observatories LIGO and VIRGO can be sensitive to phase transitions in the early universe that happened at temperatures around 10^8 GeV. This energy scale is well motivated by the axion solution to the strong CP problem of the standard model. I first review the production of gravitational waves during phase transitions in the early universe as well as the strong CP problem and its solution by means of the axion. I then show that the phase transition of the scalar field that gives rise to the axion can lead to gravitational waves which may be detectable at LIGO and VIRGO.

Registration
Participants
Participants
  • Abelardo Moralejo Olaizola
  • Alexis Menéndez Vázquez
  • Chaitanya Priyadarshi
  • Danaisis Vargas
  • Elena Moretti
  • Imma Riu
  • Jaume Tarrus
  • Jordi c
  • Juli Mundet
  • Lluïsa-M. Mir
  • Léa Jouvin
  • Machiel Kolstein
  • Manel Martinez
  • Manuel Szewc
  • Marcel Algueró
  • Matteo Cavalli-Sforza
  • Oscar Blanch Bigas
  • Otger Ballester
  • Pilar Casado
  • Rafel Escribano
  • Raimon Casanova
  • Stefano Terzo
  • Umut Demirbozan
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