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Temperature Dependence of the Magnetic Susceptibility for Triangular-Lattice Antiferromagnets with spatially anisotropic exchange constants

Abstract:

We present the temperature dependence of the uniform susceptibility of spin-half quantum antiferromagnets on spatially anisotropic triangular-lattices, using high temperature series expansions. We consider a model with two exchange constants, $J_1$ and $J_2$ on a lattice that interpolates between the limits of a square-lattice ($J_1=0$), a triangular-lattice ($J_2=J_1$), and decoupled linear chains ($J_2=0$). In all cases, the susceptibility which has a Curie-Weiss behavior at high temperatur...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.71.134422

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
Journal:
Physical Review B
Volume:
71
Issue:
13
Publication date:
2004-10-15
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
Source identifiers:
157401
Language:
English
Keywords:
Pubs id:
pubs:157401
UUID:
uuid:1166de47-453a-4d1d-89e9-b72229234726
Local pid:
pubs:157401
Deposit date:
2012-12-19

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