Green's function method for handling radiative effects on false vacuum decay

preprint2015arXivOpen access

Abstract

We introduce a Green's function method for handling radiative effects on false vacuum decay. In addition to the usual thin-wall approximation, we achieve further simplification by treating the bubble wall in the planar limit. As an application, we take the λϕ4λϕ^4 theory, extended with NN additional heavier scalars, wherein we calculate analytically both the functional determinant of the quadratic fluctuations about the classical soliton configuration and the first correction to the soliton configuration itself.

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