Quantum entanglement and the Born-Markov approximation for an open quantum system

Abstract

We revisit the Born-Markov approximation for an open quantum system by considering a microscopic model of the bath, namely, the Bose-Hubbard chain in the parameter region where it is chaotic in the sense of Quantum Chaos. It is shown that strong ergodic properties of the bath justify all approximations required for deriving the Markovian master equation from the first principles.

arXiv comment11 pages, 8 figure (APS preprint style)

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• Resonant transmission of fermionic carriers: comparison between solid-state physics and quantum optics approaches
• Microscopic contributions to the entropy production at all times: From nonequilibrium steady states to global thermalization
• Effects of internal and external decoherence on the resonant transport and Anderson localization of fermionic particles in the tight-binding chain
• Generalization of the Landauer-Büttiker theory onto the case of dissipative contacts
• Harnessing spin-qubit decoherence to probe strongly-interacting quantum systems
• Neutrino Decoherence via Modified Dispersion
• Lindblad master equations for quantum systems coupled to dissipative bosonic modes