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Symmetry analysis of conductive antiferromagnetic materials CuMnAs, Mn2Au
Russian version
Zvezdin A. K. 1,2, Gareeva Z. V. 3
1Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow, Russia
2New spintronic technologies, Moscow, Russia
3Institute of Molecule and Crystal Physics, Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia
Email: zvezdin.ak@phystech.edu, zukhragzv@yandex.ru
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Magnetic structures and their interaction with spin-polarized currents in conducting antiferromagnets are considered using the example of CuMnAs and Mn2Au. Within the framework of the group theoretical approach, a classification of the magnetic order parameters of these crystals was carried out according to the irreducible representations of the space symmetry groups D74h and D174h. Invariant combinations of order parameters are obtained that determine the energy of interaction of spin currents with the antiferromagnetism vector. Keywords: conducting antiferromagnets, electric current, spin current, symmetry.
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