dorsal/arxiv
View SchemaGeometric phase distributions for open quantum systems
| Authors | K. -P. Marzlin, S. Ghose, B. C. Sanders |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0405052 |
| URL | https://arxiv.org/abs/quant-ph/0405052 |
| DOI | 10.1103/PhysRevLett.93.260402 |
| Journal | Phys. Rev. Lett. 93, p. 260402 (2004) |
Abstract
In an open system, the geometric phase should be described by a distribution. We show that a geometric phase distribution for open system dynamics is in general ambiguous, but the imposition of reasonable physical constraints on the environment and its coupling with the system yields a unique geometric phase distribution that applies even for mixed states, non-unitary dynamics, and non-cyclic evolutions.
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"abstract": "In an open system, the geometric phase should be described by a distribution.\nWe show that a geometric phase distribution for open system dynamics is in\ngeneral ambiguous, but the imposition of reasonable physical constraints on the\nenvironment and its coupling with the system yields a unique geometric phase\ndistribution that applies even for mixed states, non-unitary dynamics, and\nnon-cyclic evolutions.",
"arxiv_id": "quant-ph/0405052",
"authors": [
"K. -P. Marzlin",
"S. Ghose",
"B. C. Sanders"
],
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"quant-ph"
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"doi": "10.1103/PhysRevLett.93.260402",
"journal_ref": "Phys. Rev. Lett. 93, p. 260402 (2004)",
"title": "Geometric phase distributions for open quantum systems",
"url": "https://arxiv.org/abs/quant-ph/0405052"
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