Kugel-Khomskii coupling |
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Kugel-Khomskii coupling describes a coupling between the spin and orbital degrees of freedom in a solid. The Hamiltonian used is:
References
* http://kotliar6.rutgers.edu/udo/prof/profd/papers/prb56_14243.pdf
* K. I. Kugel and D. I. Khomskii, Sov. Phys. Usp. 25, 231 (1982).
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