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FINITE-TEMPERATURE MAGNETISM IN THE HUBBARD-MODEL

Abstract:
A novel and physically transparent approach to the finite-temperature Hubbard model at half filling is proposed. It recovers not only the correct dimensionality dependence of antiferromagnetism but, in d=3, interpolates properly between weak and strong coupling interaction strengths for the Néel temperature, and enables extraction of related thermodynamic properties. © 1995 The American Physical Society.
Publication status:
Published

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Publisher copy:
10.1103/PhysRevLett.74.2804

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Journal:
Physical Review Letters More from this journal
Volume:
74
Issue:
14
Pages:
2804-2807
Publication date:
1995-04-03
DOI:
EISSN:
1079-7114
ISSN:
0031-9007


Language:
English
Pubs id:
pubs:44821
UUID:
uuid:86327801-d570-4edb-a157-f8f79f088ed8
Local pid:
pubs:44821
Source identifiers:
44821
Deposit date:
2012-12-19

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