Orbital glass state in a quasi-two-dimensional Heisenberg antiferromagnet Eu2CuO4
Е. И. ГоловенчицA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences , 194021 St. Petersburg,V. A. SaninaA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences , 194021 St. Petersburg,A. V. BabinskiĭA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences , 194021 St. Petersburg,
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The orbital glass state induced by 2D Heisenberg antiferromagnetic fluctuations with large correlation radii is studied in a quasi-two-dimensional Heisenberg antiferromagnet Eu2CuO4. Along with traditional properties typical of spin glasses, such an orbital glass possesses a number of specific properties. The properties of the orbital glass associated with a self-consistent action of the spin and orbital subsystems of the crystal are considered.
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