Semiclassical corrections to thermal activation

Details Semiclassical corrections to thermal activation Semiclassical corrections to thermal activation

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvd..46.4235k&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 46, Issue 10, 15 November 1992, pp.4235-4241

Physics

1

Canonical Formalism, Lagrangians, And Variational Principles, Spontaneous And Radiative Symmetry Breaking

Scientific paper

The decay of a metastable phase through the nucleation of bubbles of the true-vacuum phase can occur at a nonzero temperature through classical thermal activation, with the rate per volume scrP~exp(-FC/kBT), where FC is the free energy for a critical bubble and T is the temperature. In this paper we calculate order-ħ corrections to this rate. These corrections represent processes where the field tunnels through the potential barrier starting from a state of free energy F

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