Influence of Deformation on the Energy Spectrum and the Optical Properties of Fullerene [C.sub.20] within the Hubbard Model

Influence of Deformation on the Energy Spectrum and the Optical Properties of Fullerene [C.sub.20] within the Hubbard Model

The anticommutative Green's functions and energy spectra of fullerene [C.sub.20] with symmetry groups [I.sub.h], [D.sub.5d], and [D.sub.3d] have been obtained in analytical form within the Hubbard model in the mean-field approximation. The methods of group theory have been used to classify ener...

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Veröffentlicht in:Physics of metals and metallography 2018-06, Vol.119 (6), p.511
1. Verfasser: Silant'ev, A.V
Format: Artikel
Sprache:eng
Schlagworte:
Analysis
Chemical properties
Fullerenes
Optical properties
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Zusammenfassung:The anticommutative Green's functions and energy spectra of fullerene [C.sub.20] with symmetry groups [I.sub.h], [D.sub.5d], and [D.sub.3d] have been obtained in analytical form within the Hubbard model in the mean-field approximation. The methods of group theory have been used to classify energy states and identify allowed transitions in the energy spectra of [C.sub.20]. Keywords: Hubbard model, Green's functions, energy spectrum, nanosystems, fullerene [C.sub.20] DOI: 10.1134/S0031918X18060133
ISSN:0031-918X
DOI:10.1134/S0031918X18060133