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4 papers · 2 filters
Particle production by the expanding thin-walled bubble
Michael Maziashvili
Neglecting the effect of particle production at the moment of bubble nucleation, the spectrum of created particles during the bubble expansion is evaluated in the thin-wall approxi…
Particle production by the thick-walled bubble
Michael Maziashvili
The spectrum of created particles during the tunneling process, leading to the decay of a false vacuum state, is studied numerically in the thick-wall approximation. It is shown th…
Particle production related to the tunneling in false vacuum decay
Michael Maziashvili
Motivated by the work of Mersini, the particle production related to the tunneling in false vacuum decay is carefully investigated in the thin-wall approximation. It is shown that…
Proper fluctuations associated with quantum tunneling in field theory
Michael Maziashvili
It is shown that, to the lowest order in the particle production related to the tunneling that leads to the false vacuum decay is described by the orthogonal part of fluct…