Effectivity of Hamiltonian terms of "forbidden" 3-magnon interaction
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Published:2004
Issue:11
Volume:53
Page:3916
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ISSN:1000-3290
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Container-title:Acta Physica Sinica
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language:
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Short-container-title:Acta Phys. Sin.
Author:
Shi Qing-Fan ,Li Liang-Sheng ,Zhang Mei ,
Abstract
Analyzing the effectivity of "forbidden" 3-magnon processes locally excitated in magneto-ordered crystals, we successfully constructed the corresponding effe ctive 4-magnon interaction terms by the unitary transformations.
Publisher
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Subject
General Physics and Astronomy