Vacuum decay in time-dependent backgrounds

Draper, Patrick; Karydas, Manthos; Zhang, Hao

doi:10.1103/physrevd.108.096038

Phys. Rev. D

2023

DOI: 10.1103/physrevd.108.096038

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Vacuum decay in time-dependent backgrounds

Patrick Draper,

Manthos Karydas,

Hao Zhang

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2024

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False vacuum decay rates, more precisely

Ai,

Alexandre,

Sarkar

2024

Phys. Rev. D

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We develop a method for accurately calculating vacuum decay rates beyond the thin-wall regime in pure scalar field theory at the one-loop level of the effective action. It accounts for radiative effects resulting from quantum corrections to the classical bounce, including gradient effects stemming from the inhomogeneity of the bounce background. To achieve this, it is necessary to compute not only the functional determinant of the fluctuation operator in the background of the classical bounce but also its functional derivative evaluated at the classical bounce. The former is efficiently calculated using the Gel’fand-Yaglom method. We illustrate how the latter can also be calculated with the same method, combined with a computation of various Green’s functions. Published by the American Physical Society 2024

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False vacuum decay rates, more precisely

Ai,

Alexandre,

Sarkar

2024

Phys. Rev. D

View full text Add to dashboard Cite

show abstract

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Vacuum decay in time-dependent backgrounds

Cited by 1 publication

References 22 publications

False vacuum decay rates, more precisely

False vacuum decay rates, more precisely

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