Pair Dynamical Correlated-Effective-Field Approximation

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概要

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• The dynamical correlated-effective-field approximation (DCEFA) developed by Suzvxki is ex-tended to the pair-approximation, in which the spin-pair is solved exactly and the interactionbetween the pairs is treated by the DCBFA. The approxim?ttion is applied to calculate magneticexcitation and uniform static strsceptibility of S :: 172 exchange-alternating chains. The ob-tained results agree reasonably well with those olctained by the exact diagonalization method forfinite spins. The approximation is applied also to real pseudo-one-dimensional antiferromagnetic-ferrornagnetic alternating systems such as Cu(TIIVI)CuClj, (4-BzpipdH)CuCl3 and lVIeNN, andthe exchange couplings including interchain coupling in these systerrts are evaluated.

• 社団法人日本物理学会の論文
• 1997-11-15

著者

• Kokado Satoshi

  Division Of Materials Physics Department Of Physical Science Graduate School Of Engineering Scicnce

• Kokado Satoshi

  Division Of Material Physics Department Of Physical Science Graduate School Of Engineering Science O

• Suzuki Naoshi

  Division Of Materials Physics Department Of Physical Science Graduate School Of Engineering Scicnce

• Suzuki Naoshi

  Division Of Material Physics Department Of Physical Science Graduate School Of Engineering Science O

関連論文

• Dynamical Structure Factor of S=1/2 AF-F Alternating Chains
• Pair Dynamical Correlated-Effective-Field Approximation
• Broken Symmetry States of Doubly Degenerate Orbital Systems with Cubic Structure : Group Theoretical Classification (Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties)
• Broken Symmetry States of Doubly Degenerate Orbital Systems with Cubic Structure-Group Theoretical Classification

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