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Correlation inequalities for the quantum XY model
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Benassi, Costanza, Lees, Benjamin and Ueltschi, Daniel (2016) Correlation inequalities for the quantum XY model. Journal of Statistical Physics, 164 (5). pp. 1157-1166. doi:10.1007/s10955-016-1580-2 ISSN 0022-4715.
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Official URL: http://dx.doi.org/10.1007/s10955-016-1580-2
Abstract
We show the positivity or negativity of truncated correlation functions in the quantum XY model with spin 1/2 (at any temperature) and spin 1 (in the ground state). These Griffiths–Ginibre inequalities of the second kind generalise an earlier result of Gallavotti.
Item Type: | Journal Article | ||||||||||
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Subjects: | Q Science > QC Physics | ||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Mathematics | ||||||||||
Library of Congress Subject Headings (LCSH): | Quantum systems, Rotational motion | ||||||||||
Journal or Publication Title: | Journal of Statistical Physics | ||||||||||
Publisher: | Springer New York LLC | ||||||||||
ISSN: | 0022-4715 | ||||||||||
Official Date: | September 2016 | ||||||||||
Dates: |
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Volume: | 164 | ||||||||||
Number: | 5 | ||||||||||
Page Range: | pp. 1157-1166 | ||||||||||
DOI: | 10.1007/s10955-016-1580-2 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||
Date of first compliant deposit: | 13 September 2016 | ||||||||||
Date of first compliant Open Access: | 13 September 2016 | ||||||||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC) | ||||||||||
Grant number: | EP/HO23364/1 | ||||||||||
Adapted As: |
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