On gravitational and thermal corrections to vacuum decay
Alberto Salvio, Alessandro Strumia, Nikolaos Tetradis, Alfredo Urbano
TL;DR
This paper revisits gravitational effects on vacuum decay, confirms previous findings, simplifies the analysis, extends it to include non-minimal Higgs-gravity coupling, and examines thermal decay corrections in the Standard Model.
Contribution
It provides a simplified and extended analysis of gravitational corrections to vacuum decay, including non-minimal coupling and thermal effects in the Standard Model.
Findings
Gravitational corrections suppress vacuum decay rate.
Leading-order gravitational effects are confirmed and simplified.
Minor thermal corrections are computed with higher-loop contributions.
Abstract
We reconsider gravitational corrections to vacuum decay, confirming and simplifying earlier results and extending them by allowing for a non-minimal coupling of the Higgs to gravity. We find that leading-order gravitational corrections suppress the vacuum decay rate. Furthermore, we compute minor corrections to thermal vacuum decay in the SM by adding one-loop contributions to the Higgs kinetic term, two-loop contributions to the Higgs potential and allowing for time-dependent bounces.
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