Fermionic and bosonic pair creation in an external electric field at finite temperature using the functional Schrödinger representation
arXiv:hep-th/9412188 · doi:10.1103/PhysRevD.52.1150
Abstract
We solve the time evolution of the density matrix both for fermions and bosons in the presence of a homogeneous but time dependent external electric field. The number of particles produced by the external field, as well as their distribution in momentum space is found for finite times. Furthermore, we calculate the probability of finding a given number of particles in the ensemble. In all cases, there is a nonvanishing thermal contribution. The bosonic and the fermionic density matrices are expressed in a "functional field basis". This constitutes an extension of the "field basis" concept to fermions.
28 pages, latex, uses psfig and epsf, 4 figures included, minor changes
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Cited by in corpus (33)
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