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Open Quantum Systems Decoherence Quantum Simulation

Random Hamiltonian in thermal equilibrium

arXiv

Authors: Dorje C. Brody, David C. P. Ellis, Darryl D. Holm

Year

2009

Paper ID

9276

Status

Preprint

Abstract Read

~2 min

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Abstract

A framework for the investigation of disordered quantum systems in thermal equilibrium is proposed. The approach is based on a dynamical model--which consists of a combination of a double-bracket gradient flow and a uniform Brownian fluctuation--that `equilibrates' the Hamiltonian into a canonical distribution. The resulting equilibrium state is used to calculate quenched and annealed averages of quantum observables.

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This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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A framework for the investigation of disordered quantum systems in thermal equilibrium is proposed.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0901.2025 [2] arXiv https://arxiv.org/abs/0901.2025 [3] Publisher https://arxiv.org/abs/0901.2025

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