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Exact Bethe ansatz spectrum of a tight-binding chain with dephasing noise

Abstract:

We construct an exact map between a tight-binding model on any bipartite lattice in the presence of dephasing noise and a Hubbard model with imaginary interaction strength. In one dimension, the exact many-body Liouvillian spectrum can be obtained by application of the Bethe ansatz method. We find that both the nonequilibrium steady state and the leading decay modes describing the relaxation at late times are related to the η-pairing symmetry of the Hubbard model. We show that there is a rema...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
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Name:
European Research Council
Grant:
OMNES
More from this funder
Name:
Engineering and Physical Sciences Research Council
Grant:
EP/K032208/1
EP/N01930X
More from this funder
Name:
Slovenian Research Agency
Grant:
J1-5439
N1-0025
Publisher:
American Physical Society
Journal:
Physical Review Letters More from this journal
Volume:
117
Issue:
13
Article number:
137202
Publication date:
2016-09-23
Acceptance date:
2016-08-31
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Keywords:
Pubs id:
pubs:641083
UUID:
uuid:0ba37b59-0226-48c0-8a16-68567667f839
Local pid:
pubs:641083
Source identifiers:
641083
Deposit date:
2016-11-02

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