Non-Markovian master equations from entanglement with stationary unobserved degrees of freedom

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dc.creatorBudini, Adrian A.
dc.creatorSchomerus, Henning
dc.date2004-12-02
dc.date2005-09-22
dc.date.accessioned2026-07-07T06:28:51Z
dc.date.available2026-07-07T06:28:51Z
dc.descriptionWe deduce a class of non-Markovian completely positive master equations which describe a system in a composite bipartite environment, consisting of a Markovian reservoir and additional stationary unobserved degrees of freedom that modulate the dissipative coupling. The entanglement-induced memory effects can persist for arbitrary long times and affect the relaxation to equilibrium, as well as induce corrections to the quantum-regression theorem. By considering the extra degrees of freedom as a discrete manifold of energy levels, strong non-exponential behavior can arise, as for example power law and stretched exponential decays.
dc.description8 pages, extensively revised and expanded, changed title, to appear in J Phys A
dc.identifierhttps://arxiv.org/abs/quant-ph/0412020
dc.identifierhttp://arxiv.org/abs/quant-ph/0412020
dc.identifierJ. Phys. A: Math. Gen. 38, 9251 (2005)
dc.identifierdoi:10.1088/0305-4470/38/42/006
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/97837
dc.subjectQuantum Physics
dc.subjectMesoscale and Nanoscale Physics
dc.titleNon-Markovian master equations from entanglement with stationary unobserved degrees of freedom
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