Quantum dynamics of thermalizing systems

Christopher David White, Michael Zaletel, Roger S. K. Mong, and Gil Refael
Phys. Rev. B 97, 035127 – Published 16 January 2018

Abstract

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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  • Received 28 September 2017

DOI:https://doi.org/10.1103/PhysRevB.97.035127

©2018 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied PhysicsQuantum Information, Science & TechnologyStatistical Physics & Thermodynamics

Authors & Affiliations

Christopher David White1,*, Michael Zaletel2, Roger S. K. Mong3, and Gil Refael1

  • 1Institute for Quantum Information and Matter, Caltech, 1200 East California Boulevard, Pasadena, California 91125, USA
  • 2Department of Physics, Princeton University, Princeton, New Jersey 08544, USA
  • 3Department of Physics and Astronomy, University of Pittsburgh, 3941 O'Hara St., Pittsburgh, Pennsylvania, 15260, USA

  • *cdwhite@caltech.edu

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Vol. 97, Iss. 3 — 15 January 2018

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