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Open Quantum Systems Decoherence
Classical and Quantum Part of the Environment for Quantum Langevin Equations
arXiv
Authors: Stéphane Attal, Ivan Bardet
Year
2016
Paper ID
43039
Status
Preprint
Abstract Read
~2 min
Abstract Words
76
Citations
N/A
Abstract
Among quantum Langevin equations describing the unitary time evolution of a quantum system in contact with a quantum bath, we completely characterize those equations which are actually driven by classical noises. The characterization is purely algebraic, in terms of the coefficients of the equation. In a second part, we consider general quantum Langevin equations and we prove that they can always be split into a maximal part driven by classical noises and a purely quantum one.
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- Among quantum Langevin equations describing the unitary time evolution of a quantum system in contact with a quantum bath, we completely characterize those equations which are...
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