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Quantum dynamics of thermalizing systems

White, Christopher David and Zaletel, Michael and Mong, Roger S. K. and Refael, Gil (2018) Quantum dynamics of thermalizing systems. Physical Review B, 97 (3). Art. No. 035127. ISSN 2469-9950. doi:10.1103/PhysRevB.97.035127.

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We introduce a method “DMT” for approximating density operators of 1D systems that, when combined with a standard framework for time evolution (TEBD), makes possible simulation of the dynamics of strongly thermalizing systems to arbitrary times. We demonstrate that the method performs well for both near-equilibrium initial states (Gibbs states with spatially varying temperatures) and far-from-equilibrium initial states, including quenches across phase transitions and pure states.

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Additional Information:© 2018 American Physical Society. Received 28 September 2017; published 16 January 2018. We acknowledge funding provided by the Institute for Quantum Information and Matter, an NSF Physics Frontiers Center (NSF Grant PHY-1125565) with support of the Gordon and Betty Moore Foundation (GBMF-2644). C.D.W. acknowledges the generous support of the National Science Foundation Graduate Research Fellowship under Grant No. DGE1144469. G.R. acknowledges the generous support of the Packard Foundation, and the NSF through award DMR- 1410435.
Group:Institute for Quantum Information and Matter
Funding AgencyGrant Number
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
Gordon and Betty Moore FoundationGBMF-2644
NSF Graduate Research FellowshipDGE-1144469
David and Lucile Packard FoundationUNSPECIFIED
Issue or Number:3
Record Number:CaltechAUTHORS:20170925-082950649
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:81794
Deposited By: Tony Diaz
Deposited On:25 Sep 2017 17:37
Last Modified:15 Nov 2021 19:46

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