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Band Corepresentations of Magnetic Space Groups
Author(s) -
Evarestov R. A.,
Smirnov V. P.,
Egorov S. A.
Publication year - 1989
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221510132
Subject(s) - magnon , condensed matter physics , antiferromagnetism , space group , space (punctuation) , physics , electronic band structure , symmetry (geometry) , phonon , magnetic structure , magnetic field , quantum mechanics , ferromagnetism , magnetization , x ray crystallography , diffraction , mathematics , geometry , linguistics , philosophy
The band corepresentations of the magnetic space groups are introduced; the procedure of their generation is considered. The band corepresentations are essential for the symmetry analysis of phonons and magnons in magnetic crystals and for the study of the magnon‐phonon hybridization. The magnetic structures of CuFeS 2 and La 2 CuO 4 crystals are analyzed. In the antiferromagnetic phase these crystals are described by Shubnikov space groups of different types. The band corepresentations for each of these groups are tabulated.