dorsal/arxiv
View SchemaBerry phase in open quantum systems: a quantum Langevin equation approach
| Authors | Gabriele De Chiara, Artur Lozinski, G. Massimo Palma |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0410183 |
| URL | https://arxiv.org/abs/quant-ph/0410183 |
| DOI | 10.1140/epjd/e2006-00186-y |
| Journal | Eur. Phys. J. D 41, 179-183 (2007) |
Abstract
The evolution of a two level system with a slowly varying Hamiltonian, modeled as s spin 1/2 in a slowly varying magnetic field, and interacting with a quantum environment, modeled as a bath of harmonic oscillators is analyzed using a quantum Langevin approach. This allows to easily obtain the dissipation time and the correction to the Berry phase in the case of an adiabatic cyclic evolution.
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"abstract": "The evolution of a two level system with a slowly varying Hamiltonian,\nmodeled as s spin 1/2 in a slowly varying magnetic field, and interacting with\na quantum environment, modeled as a bath of harmonic oscillators is analyzed\nusing a quantum Langevin approach. This allows to easily obtain the dissipation\ntime and the correction to the Berry phase in the case of an adiabatic cyclic\nevolution.",
"arxiv_id": "quant-ph/0410183",
"authors": [
"Gabriele De Chiara",
"Artur Lozinski",
"G. Massimo Palma"
],
"categories": [
"quant-ph",
"cond-mat.mes-hall"
],
"doi": "10.1140/epjd/e2006-00186-y",
"journal_ref": "Eur. Phys. J. D 41, 179-183 (2007)",
"title": "Berry phase in open quantum systems: a quantum Langevin equation approach",
"url": "https://arxiv.org/abs/quant-ph/0410183"
},
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