Universität zu Köln

Popkov, Vladislav, Salerno, Mario ORCID: 0000-0002-1443-7858 and Livi, Roberto (2015). Full decoherence induced by local fields in open spin chains with strong boundary couplings. New J. Phys., 17. BRISTOL: IOP PUBLISHING LTD. ISSN 1367-2630

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Abstract

We investigate an open XYZ spin-1/2 chain driven out of equilibrium by boundary reservoirs targeting different spin orientations, aligned along the principal axes of anisotropy. We show that by tuning local magnetic fields, applied to spins at sites near the boundaries, one can change any nonequilibrium steady state to a fully uncorrelated Gibbsian state at infinite temperature. This phenomenon occurs for strong boundary coupling and on a critical manifold in the space of the fields amplitudes. The structure of this manifold depends on the anisotropy degree of the model and on the parity of the chain size.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Popkov, Vladislav UNSPECIFIED UNSPECIFIED UNSPECIFIED Salerno, Mario UNSPECIFIED orcid.org/0000-0002-1443-7858 UNSPECIFIED Livi, Roberto UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-412126
DOI:	10.1088/1367-2630/17/2/023066
Journal or Publication Title:	New J. Phys.
Volume:	17
Date:	2015
Publisher:	IOP PUBLISHING LTD
Place of Publication:	BRISTOL
ISSN:	1367-2630
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language TRAPPED IONS; QUANTUM Multiple languages Physics, Multidisciplinary Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/41212