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JOURNALS // Fizika Tverdogo Tela // Archive

Fizika Tverdogo Tela, 2023 Volume 65, Issue 1, Pages 157–163 (Mi ftt10579)

This article is cited in 1 paper

Fullerenes

Energy spectrum and optical absorption spectra of exohedral fullerene Ñ$_{70}$Br$_{10}$ within the Hubbard model

A. V. Silant'ev

Mari State University, Yoshkar-Ola, Russia

Abstract: Energy spectrum exohedral fullerene Ñ$_{70}$Br$_{10}$ with the Cs symmetry groups have been obtained within the Hubbard model and static fluctuation approximation. The energy states have been classified using the methods of group theory, and the allowed transitions in the energy spectra of molecule Ñ$_{70}$Br$_{10}$ have been determined. On the basis of the energy spectrum of exohedral fullerene Ñ$_{70}$Br$_{10}$ is given an interpretation of experimentally observed optical absorption bands molecule Ñ$_{70}$Br$_{10}$.

Keywords: Hubbard model, Green's functions, energy spectrum, fullerenes, nanosystems, fullerene Ñ$_{70}$, exohedral fullerene Ñ$_{70}$Br$_{10}$.

Received: 08.09.2022
Revised: 12.09.2022
Accepted: 13.09.2022

DOI: 10.21883/FTT.2023.01.53939.470



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© Steklov Math. Inst. of RAS, 2025