Thick Wall from Thin Walls

J. R. Espinosa

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arXiv · 2305.06774

Thick Wall from Thin Walls

J. R. Espinosa

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Abstract

An Euclidean bounce describing vacuum decay can be considered as an infinite stack of concentric thin shells to which a thin-wall action can be assigned. The integral over all shells produces then a tunneling action that is precisely the action functional in field space of the so-called tunneling potential formalism. This procedure, which works also when gravity is included, gives the simplest derivation of such actions.

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J. R. Espinosa. 2023-05-11. Thick Wall from Thin Walls. https://arxiv.org/abs/2305.06774

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