Two-Particle Cluster Theory of Antiferromagnetism

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概要

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• The two-spin cluster theory of Strieb, Callen and Horwitz, previously applied by the present authors to ferromagnets, is extended to antiferromagnets. The theory is formulated to Include nearest and next-nearest neighbor exchange (J_1 and J_2) and to apply to those types of antiferromagnetic Neel phases in which equal numbers of spins are nominally "up" and "down". When J_2=0 the theory reduces to the antiferromagnetic constant coupling theory of Kasteleijn and van Kranendonk. Consequently the theory suffers from the defect of an anti-Neel transition at low teimperatures.

• 社団法人日本物理学会の論文
• 1965-11-05

著者

• Callen Earl

  U.s. Naval Ordnance Laboratory:department Of Physics Catholic University Of America

• CALLEN Herbert

  Department of Physics and Laboratory for Research of the Structure of Metter, University of Pennsylv

• Callen Herbert

  Department Of Physics And Laboratory For Research Of The Structure Of Metter University Of Pennsylva

関連論文

• Two-Particle Cluster Theory of Antiferromagnetism

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