Pair Production in the Quantum Boltzmann Equation
Jochen Rau
Abstract
A source term in the quantum Boltzmann equation, which accounts for the spontaneous creation of e+e--pairs in external electric fields, is derived from first principles and evaluated numerically. Careful analysis of time scales reveals that this source term is generally non-Markovian. This implies in particular that there may be temporary violations of the H-theorem.
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