A Model for the Transfer of Magnetic Excitons between Antiparallel Spin Sites

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概要

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• A model is proposed for the transfer of magnetic excitations between antiparallel spin sites. Formulation is made for the ^4A_<2g>⟶^2E_g transition of Cr^<3+>(dε^3) ions in antiferromagnetic crystals. Since the spin component is not conserved in the transfer, the mechanism is attributed to the second order effect of the spin-orbit interaction similar to the anisotropic super-exchange interaction derived by Moriya. It is shown that the model gives the correct order of magnitude for the transfer matrix elements. Unfortunately, angular dependence of the transfer matrix elements characteristic to the present model does not agree with the experimental results obtained so far.

• 社団法人日本物理学会の論文
• 1973-01-05

著者

• Koide Shoichiro

  Institute Of Experimental Physics University Of Geneva : Institute Of Physics College Of General Edu

• ISHIKAWA Seishi

  Institute of Physics, College of General Education, University of Tokyo

• Ishikawa Seishi

  Institute Of Physics College Of General Education University Of Tokyo

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