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Volumn 70, Issue 2, 2004, Pages

Impurity effects at finite temperature in the two-dimensional S=1/2 Heisenberg antiferromagnet

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; ENERGY; MAGNETISM; MONTE CARLO METHOD; QUANTUM MECHANICS; TEMPERATURE;

EID: 42749102554     PISSN: 01631829     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevB.70.024406     Document Type: Article
Times cited : (31)

References (53)
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    • note
    • A separation of the impurity susceptibility in components parallel and perpendicular to the Néel order is of course strictly applicable only at T=0, i.e., when the spin-rotation symmetry is broken. It is nevertheless a useful concept also when the impurity is coupled to a large ordered domain with slow dynamics. However, the exact way in which the separation into longitudinal and transverse components is done is to some extent a matter of calculational definitions outside the limit T=0.
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    • note
    • ⊥=J change very little from those in Ref. 27.
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