Two and Three Magnon Excitation in α-Fe_2O_3(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
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Symmetry of the magnons at high symmetry points of the Brillouin zone boundary in α-Fe_2O_3 has been determined. Selection rules for the two-magnon absorption are newly derived taking acount of the four-sublattice structure of the system. Electric dipole moment proportional to the vector product of spins is introduced and is found to be able to bring about one- and three-magnon excitation.
- 一般社団法人日本物理学会の論文
- 2005-02-15
著者
-
Hanamura Eiichi
Chitose Institute Of Science And Technology
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Tanabe Yukito
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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