False vacuum decay in gauge theory

被引：0
作者：
Motoi Endo
Takeo Moroi
Mihoko M. Nojiri
Yutaro Shoji
机构：
[1] KEK Theory Center,Kavli IPMU (WPI)
[2] IPNS,Department of Physics
[3] KEK,Institute for Cosmic Ray Research
[4] The Graduate University of Advanced Studies (Sokendai),undefined
[5] University of Tokyo,undefined
[6] University of Tokyo,undefined
[7] The University of Tokyo,undefined
来源：
Journal of High Energy Physics | / 2017卷
关键词：
Gauge Symmetry; Solitons Monopoles and Instantons;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The decay rate of a false vacuum is studied in gauge theory, paying particular attention to its gauge invariance. Although the decay rate should not depend on the gauge parameter ξ according to the Nielsen identity, the gauge invariance of the result of a perturbative calculation has not been clearly shown. We give a prescription to perform a one-loop calculation of the decay rate, with which a manifestly gauge-invariant expression of the decay rate is obtained. We also discuss the renormalization necessary to make the result finite, and show that the decay rate is independent of the gauge parameter even after the renormalization.
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