from 29 November 2022 to 2 December 2022
Hotel Intourist Kolomenskoye 4*
Europe/Moscow timezone
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Simulation of soliton foam formation in early Universe

2 Dec 2022, 12:30
15m
Moskvorechye 1 (Hotel Intourist Kolomenskoye 4*)

Moskvorechye 1

Hotel Intourist Kolomenskoye 4*

Oral talk Gravitation and cosmology Gravitation and Cosmology

Speaker

Mr. Boris Murygin (NRNU MEPhI)

Description

The formation of solitons foam in the early Universe in the model with two real scalar fields and potential having at least one saddle point and a local maximum is considered. The initial fields distribution is obtained by quantum fluctuations simulation in the framework of Starobinsky's inflation. The formation and evolution of domain walls bounded by strings and solitons foam are discussed in the numerical simulation in (3+1)-space-time. The possibility of PBHs formation in the model is also considereded.

Primary authors

Mr. Boris Murygin (NRNU MEPhI) Mr. Valery Nikulin (NRNU MEPhI) Dr. Alexander Kirillov (NRNU MEPhI)

Presentation Materials

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