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hep-th2020★ 17 cited
Exact one-loop false vacuum decay rate
Victor Guada, Miha Nemevšek
We discuss an exact false vacuum decay rate at one loop for a real and complex scalar field in a quartic-quartic potential with two tree-level minima. The bounce solution is used t…
hep-th2018★ 34 cited
Multifield Polygonal Bounces
Victor Guada, Alessio Maiezza, Miha Nemevšek
We propose a new approach for computing tunneling rates in quantum or thermal field theory with multiple scalar fields. It is based on exact analytical solutions of piecewise linea…