False vacuum decay via Coleman - de Luccia instanton in the theory with quasi-exponential potential

TL;DR

This paper investigates the conditions under which false vacuum decay occurs in a de Sitter universe, focusing on a scalar field with a quasi-exponential potential using Coleman-de Luccia instantons.

Contribution

It applies the necessary and sufficient conditions for false vacuum decay specifically to scalar fields with quasi-exponential potentials in de Sitter space.

Findings

Derived conditions for false vacuum decay in the given setup.

Analyzed the role of quasi-exponential potential in decay processes.

Provided insights into vacuum stability in cosmological models.

Abstract

The necessary and sufficient condition for the false vacuum decay in a de Sitter universe via Coleman - de Luccia instanton is applied on the scalar field with quasi - exponential potential.