dorsal/arxiv
View SchemaCompletely Positive Quantum Dissipation
| Authors | B. Vacchini |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0002094 |
| URL | https://arxiv.org/abs/quant-ph/0002094 |
| DOI | 10.1103/PhysRevLett.84.1374 |
| Journal | Phys. Rev. Lett. 84 (2000) 1374-1377 |
Abstract
A completely positive master equation describing quantum dissipation for a Brownian particle is derived starting from microphysical collisions, exploiting a recently introduced approach to subdynamics of a macrosystem. The obtained equation can be cast into Lindblad form with a single generator for each Cartesian direction. Temperature dependent friction and diffusion coefficients for both position and momentum are expressed in terms of the collision cross-section.
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"abstract": "A completely positive master equation describing quantum dissipation for a\nBrownian particle is derived starting from microphysical collisions, exploiting\na recently introduced approach to subdynamics of a macrosystem. The obtained\nequation can be cast into Lindblad form with a single generator for each\nCartesian direction. Temperature dependent friction and diffusion coefficients\nfor both position and momentum are expressed in terms of the collision\ncross-section.",
"arxiv_id": "quant-ph/0002094",
"authors": [
"B. Vacchini"
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"doi": "10.1103/PhysRevLett.84.1374",
"journal_ref": "Phys. Rev. Lett. 84 (2000) 1374-1377",
"title": "Completely Positive Quantum Dissipation",
"url": "https://arxiv.org/abs/quant-ph/0002094"
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