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Open Quantum Systems Decoherence

Local Master Equation for Small Temperatures

arXiv

Authors: Evgeny Mozgunov

Year

2016

Paper ID

42428

Status

Preprint

Abstract Read

~2 min

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Abstract

We present a local Master equation for open system dynamics in two forms: Markovian and non-Markovian. Both have a wider range of validity than the Lindblad equation investigated by Davies. For low temperatures, they do not require coupling to be exponentially weak in the system size. If the state remains a low bond dimension Matrix Product State throughout the evolution, the local equation can be simulated in time polynomial in system size.

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This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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We present a local Master equation for open system dynamics in two forms: Markovian and non-Markovian.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1611.04188 [2] arXiv https://arxiv.org/abs/1611.04188 [3] Publisher https://arxiv.org/abs/1611.04188

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