Domain walls and strings formation in the early Universe

Abstract

Solitons formation through classical dynamics of two scalar fields with the potential having a saddle point and one minimum in (2+1)-space-time is discussed. We show that under certain conditions in the early Universe both domain walls and strings can be formed even if scalar fields are inflaton ones.

To appear in Proceedings of the 23rd Bled Workshop "What Comes Beyond Standard Models", 2020, Bled, Slovenia

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