TH Seminars

Gravitational waves from strongly supercooled phase transitions

by Ville Vaskonen (IFAE)

Europe/Madrid
IFAE Virtual Seminar Room (IFAE)

IFAE Virtual Seminar Room

IFAE

https://zoom.us/j/318316335
Description

Gravitational waves are sourced in cosmological phase transitions by bubble collisions and plasma motions. In this talk I will first describe an improved calculation of the gravitational wave spectrum from bubble collisions and then discuss the energy budget of strongly supercooled phase transitions. I will illustrate the predictions for the gravitational wave signal in a classically conformal U(1) extension of the Standard Model.

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