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Full counting statistics in the spin-1/2 Heisenberg XXZ chain

Abstract:
The spin-1/2 Heisenberg chain exhibits a quantum critical regime characterized by quasi long-range magnetic order at zero temperature. We quantify the strength of quantum fluctuations in the ground state by determining the probability distributions of the components of the (staggered) subsystem magnetization. Some of these exhibit scaling and the corresponding universal scaling functions can be determined by free fermion methods and by exploiting a relation with the boundary sine-Gordon model.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1088/1751-8121/aa87dd

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Theoretical Physics
Role:
Author
ORCID:
0000-0003-2615-8140
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Theoretical Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Theoretical Physics
Role:
Author
Clarendon Fund More from this funder
Publisher:
Institute of Physics Publisher's website
Journal:
Journal of Physics A: Mathematical and Theoretical Journal website
Volume:
50
Issue:
41
Pages:
414002
Publication date:
2017-09-11
Acceptance date:
2017-08-23
DOI:
ISSN:
1751-8121 and 1751-8113
Pubs id:
pubs:730725
URN:
uri:65d1a43a-7041-42c8-ab9b-a0b262692cc7
UUID:
uuid:65d1a43a-7041-42c8-ab9b-a0b262692cc7
Local pid:
pubs:730725

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