entropy production in open quantum systems: exactly solvable qubit models
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ID: 151862
2012
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Abstract
We present analytical results for the time-dependent information entropy in exactly solvable two-state (qubit) models. The first model describes dephasing (decoherence) in a qubit coupled to a bath of harmonic oscillators. The entropy production for this model in the regimes of "complete" and "incomplete" decoherence is discussed. As another example, we consider the damped Jaynes-Cummings model describing a spontaneous decay of a two-level system into the field vacuum. It is shown that, for all strengths of coupling, the open system passes through the mixed state with the maximum information entropy.
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morozov2012condensedentropy
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| Authors | ;V.G. Morozov;G. Röpke |
| Journal | conference on human factors in computing systems - proceedings |
| Year | 2012 |
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