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Open Quantum Systems Decoherence Quantum Chemistry

Transport in a one-dimensional isotropic Heisenberg model at high temperature

arXiv

Authors: Marko Znidaric

Year

2011

Paper ID

29270

Status

Preprint

Abstract Read

~2 min

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Abstract

Magnetization transport in a one-dimensional isotropic spin 1/2 Heisenberg model is studied. It is shown that in a nonequilibrium steady state at high temperature and constant small driving the magnetization current depends on the system length L as 1/L^{0.5}, meaning that the diffusion constant diverges as L^{0.5}. Spectral properties of a superoperator governing the relaxation towards a nonequilibrium steady state are also discussed.

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This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
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Magnetization transport in a one-dimensional isotropic spin 1/2 Heisenberg model is studied.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1112.2551 [2] arXiv https://arxiv.org/abs/1112.2551 [3] Publisher https://arxiv.org/abs/1112.2551

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