Effect of the Inter-Sublattice Exciton Transfer on the Magnon Sideband
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概要
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General feature of the magnon sideband is investigated taking into account the inter-sublattice exciton transfer and the orbital degeneracy of the exciton state. The results are applied to ^4E_g(G) states of RbMnF_3 and MnF_2. The effect of large transfer integral as a possible mechanism responsible for the appearance of exciton-magnon bound state and multi-magnon sideband is proposed and discussed. Fair agreement with experiments for RbMnF_3 is obtained by assuming this mechanism. The observed change in the absorption spectra due to Co impurity of the system KMn_<1-x>Co_xF_3 is understood by the proposed mechanism.
- 社団法人日本物理学会の論文
- 1975-07-15
著者
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Fujiwara Takeo
Department Of Applied Physics Faculty Of Engineereing University Of Tokyo
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Tanabe Yukito
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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Tanabe Y
Department Of Applied Physics University Of Tokyo
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