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Bose-Einstein Condensation of Magnons in Cs2 CuCl4

Abstract:

We report on results of specific heat measurements on single crystals of the frustrated quasi-2D spin-1/2 antiferromagnet Cs2CuCl4 (T(N)=0.595 K) in external magnetic fields B<12 T and for temperatures T>30 mK. Decreasing B from high fields leads to the closure of the field-induced gap in the magnon spectrum at a critical field Bc approximately = 8.51 T and a magnetic phase transition is clearly seen below Bc. In the vicinity of Bc, the phase transition b...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/physrevlett.95.127202

Authors


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Role:
Author
ORCID:
0000-0002-9890-7895
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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Oxford college:
Lincoln College
Role:
Author
Publisher:
American Physical Society
Journal:
Physical Review Letters More from this journal
Volume:
95
Issue:
12
Pages:
127202
Publication date:
2005-09-14
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pmid:
16197102
Language:
English
Keywords:
Pubs id:
pubs:30789
UUID:
uuid:21c6f615-755e-4a53-9c33-f4144821361f
Local pid:
pubs:30789
Source identifiers:
30789
Deposit date:
2018-04-21

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