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Switching pure states of the dissipative Heisenberg XXZ chain by local magnetic fields
Popkov, Vladislav (Author), Salerno, Mario (Author)

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Abstract
The effects of a local magnetic field on nonequilibrium stationary states (NESSs) of the open quantum XXZ spin chain are investigated with a Lindblad master equation approach in the limit of strong dissipation. The local magnetic field is applied to a single bulk spin of the chain while the ends are kept at fixed polarizations by dissipation. We show that suitable changes of the local magnetic field permit us to invert the spin current by switching pure NESS with opposite chiralities while preserving the state purity and achieving optimal transport.

Language:English
Keywords:quantum statistical mechanics, condensed matter physics
Tipology:1.01 - Original Scientific Article
Organization:FMF - Faculty of Mathematics and Physics
Year:2019
Number of pages:Str. 174430-1-174430-7
Numbering:Vol. 100, iss. 17
UDC:530.145
ISSN on article:2469-9950
DOI:10.1103/PhysRevB.100.174430 This link opens in a new window
COBISS.SI-ID:3388772 This link opens in a new window
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Downloads:314
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Record is a part of a journal

Title:Physical review
Publisher:American Physical Society
ISSN:2469-9950
COBISS.SI-ID:2997348 This link opens in a new window

Document is financed by a project

Funder:EC - European Commission
Funding Programme:H2020
Project no.:694544
Name:Open many-body non-equilibrium systems
Acronym:OMNES

Secondary language

Language:Slovenian
Keywords:kvantna statistična mehanika, fizika kondenzirane snovi

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