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Local Master Equation for Small Temperatures

Mozgunov, Evgeny (2016) Local Master Equation for Small Temperatures. . (Submitted)

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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.

Item Type:Report or Paper (Discussion Paper)
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Additional Information:The author is thankful to Alexei Kitaev, John Preskill and Leonid Pryadko for useful comments and discussion.
Group:Institute for Quantum Information and Matter
Record Number:CaltechAUTHORS:20171103-153609085
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:82954
Deposited By: Bonnie Leung
Deposited On:03 Nov 2017 22:53
Last Modified:02 Jun 2023 00:26

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