Thermal Decays in a Hot Fermi Gas

Details Thermal Decays in a Hot Fermi Gas Thermal Decays in a Hot Fermi Gas

1994-12-07

arxiv.org/abs/hep-th/9412068v1

Phys.Rev. B52 (1995) 7448-7457

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, REVTEX, 9 figures available upon request

Scientific paper

10.1103/PhysRevB.52.7448

We present a study of the decay of metastable states of a scalar field via thermal activation, in the presence of a finite density of fermions. The process we consider is the nucleation of ``{\it droplets}'' of true vacuum inside the false one. We analyze a one-dimensional system of interacting bosons and fermions, considering the latter at finite temperature and with a given chemical potential. As a consequence of a non-equilibrium formalism previously developed, we obtain time-dependent decay rates.

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