A solution of the system of equations for the basic operators of the spin-fermion model is obtained in the form of harmonic oscillations of Fermi operators at three frequencies and single-frequency harmonic oscillations of the spin-fermion coupling operator (spin polaron).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 3, pp. 110–113, March, 2021.
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Kirchanov, V.S. Temporal Dynamics of Spin-Fermion Model in Cu2O. Russ Phys J 64, 491–495 (2021). https://doi.org/10.1007/s11182-021-02354-x
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DOI: https://doi.org/10.1007/s11182-021-02354-x