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Time evolution of quasi-hermitian open systems and generalized entropy functional

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Masillo, F.
Solombrino, L.

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We study general properties of dynamical maps preserving Hermiticity and quasi-Hermiticity, and prove that the generator of a dynamical semigroup is always a pseudo-Hermitian operator. Moreover, improving a previous proposal by Jakob and Stenholm, we introduce two new Lyapunov functionals for degenerate open systems, and apply such results to a physical example.

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Physics, mathematical models

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International Journal of Geometric Methods In Modern Physics

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10.1142/S0219887810004683

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