Aspects of metastable vacuum decay

Author: Tatia Kiliptari
Keywords: false vacuum decay, bounce, negative mode
Annotation:

After the discovery of the Higgs particle, it became more relevant to study the aspects of metastable vacuum decay. Unlike other fields, the Higgs field can exist in a metastable vacuum that decays over time. Methods based on the Euclidean functional integral have been developed to determine the decay amplitude. The aim of the paper is to study and adapt the existing techniques to specific potentials, a code is created by means of which Bounce solutions are found for different potentials. The latter is responsible for decay process. The spectrum of Linear pertubation is studied, near these solutions and negative modes are found. Analytical values obtained by numerical method thin wall approximation are compared.