dorsal/arxiv
View SchemaExpressing Decoherence with Spectral and Stochastic Methods
| Authors | D. Salgado, J. L. Sanchez-Gomez |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0212042 |
| URL | https://arxiv.org/abs/quant-ph/0212042 |
Abstract
We suggest a novel proposal to express decoherence in open quantum systems by jointly employing spectral and stochastic methods. This proposal, which basically perturbs the unitary evolution operator in a random fashion, allows us to embrace both markovian and nonmarkovian situations with little extra effort. We argue that it can be very suitable to deal with models where an approximation neglecting some degrees of freedom is undertaken. Mathematical simplicity is also obtained both to solve some master equations and to arrive at experimentally measured decoherence functions.
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"abstract": "We suggest a novel proposal to express decoherence in open quantum systems by\njointly employing spectral and stochastic methods. This proposal, which\nbasically perturbs the unitary evolution operator in a random fashion, allows\nus to embrace both markovian and nonmarkovian situations with little extra\neffort. We argue that it can be very suitable to deal with models where an\napproximation neglecting some degrees of freedom is undertaken. Mathematical\nsimplicity is also obtained both to solve some master equations and to arrive\nat experimentally measured decoherence functions.",
"arxiv_id": "quant-ph/0212042",
"authors": [
"D. Salgado",
"J. L. Sanchez-Gomez"
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"title": "Expressing Decoherence with Spectral and Stochastic Methods",
"url": "https://arxiv.org/abs/quant-ph/0212042"
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