Quantum Decoherence and the "P(E)-Theory"
D. S. Golubev, A. D. Zaikin
Abstract
We point out a close physical and formal similarity between the problems of electron tunneling in the effective environment and the weak localization effects in the presence of interactions. In both cases the results are expressed in terms of the ``energy probability distribution function'' P(E) which has a finite width even at T=0 due to interactions.
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