Publikation: Decoherence and relaxation of topological states in extended quantum Ising models
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2019
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SciPost Physics. 2019, 6(3), 037. eISSN 2542-4653. Verfügbar unter: doi: 10.21468/SciPostPhys.6.3.037
Zusammenfassung
We study the decoherence and the relaxation dynamics of topological states in an extended class of quantum Ising chains which can present a manyfold ground state subspace. The leading interaction of the spins with the environment is assumed to be the local fluctuations of the transverse magnetic field. By deriving the Lindblad equation using the many-body states, we investigate the relation between decoherence, energy relaxation and topology. In particular, in the topological phase and at low temperature, we analyze the dephasing rates between the different degenerate ground states.
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WEISBRICH, Hannes, Wolfgang BELZIG, Gianluca RASTELLI, 2019. Decoherence and relaxation of topological states in extended quantum Ising models. In: SciPost Physics. 2019, 6(3), 037. eISSN 2542-4653. Verfügbar unter: doi: 10.21468/SciPostPhys.6.3.037BibTex
@article{Weisbrich2019Decoh-44854.2,
year={2019},
doi={10.21468/SciPostPhys.6.3.037},
title={Decoherence and relaxation of topological states in extended quantum Ising models},
number={3},
volume={6},
journal={SciPost Physics},
author={Weisbrich, Hannes and Belzig, Wolfgang and Rastelli, Gianluca},
note={Article Number: 037}
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