paper

Generalized Kraus Operators and Generators of Quantum Dynamical Semigroups

arXiv:1306.4531 · doi:10.1142/S0129055X15500166

Abstract

Quantum dynamical semigroups play an important role in the description of physical processes such as diffusion, radiative decay or other non-equilibrium events. Taking strongly continuous and trace preserving semigroups into consideration, we show that, under a special criterion, the generator of such a group admits a certain generalized standard form, thereby shedding new light on known approaches in this direction. Furthermore, we illustrate our analysis in concrete examples.

20 pages

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