SimpleBounce : a simple package for the false vacuum decay. We present SimpleBounce, a C++ package for finding the bounce solution for the false vacuum decay. This package is based on a flow equation which is proposed by the author and solves Coleman-Glaser-Martin’s reduced problem: the minimization problem of the kinetic energy while fixing the potential energy. The bounce configuration is obtained by a scale transformation of the solution of this problem. For models with 1--8 scalar field(s), the bounce action can be calculated with O(0.1) % accuracy in O(0.1) s. This package is available at this https URL.

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  1. Victor Guada, Miha Nemevšek, Matevž Pintar: FindBounce: package for multi-field bounce actions (2020) arXiv