Using the Hubbard model in an approximation of static fluctuations, analytical relations of anticommutator Green’s functions and energy spectra of С36 fullerene and La@C36 endohedral fullerene with the D6h symmetry groups are obtained. Using the group theory methods, a classification of the energy states is performed and the allowed transitions in the energy spectra of the С36 and La@C36 molecules are determined.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 3–15, June, 2019.
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Silant’ev, A.V. The Energy Spectrum and the Optical Absorption Spectrum of С36 Fullerene Within the Hubbard Model. Russ Phys J 62, 925–939 (2019). https://doi.org/10.1007/s11182-019-01798-6
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DOI: https://doi.org/10.1007/s11182-019-01798-6