Volume-Localized Quantum Levels in Charged Fullerenes


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Abstract

The existence of a system of short-lived, discrete, volume-localized, electronic, quantum levels in positively charged fullerenes is shown theoretically and numerically for the example of the fullerenes C60. The results of three-dimensional calculations performed using the QuantumEspresso package are presented. The structures of the quantum levels in charged fullerenes were calculated numerically in a wide range of transitions from 4 eV for the fullerene \( {C}_{60}^{+ 1} \) to 40 eV for the fullerene \( {C}_{60}^{+ 1} \). The results confirm previous theoretical work on the possible existence of single-particle excited electronic states localized in the volume of positively charged fullerene C60. Thus, the electrons captured in these discrete levels of fullerene form a kind of short-lived superheavy pseudoatom in which the electrons are localized inside a positively charged spherical nucleus with atomic mass 240 a.u. for C20 and 720 a.u. for C60. In conclusion, the possibility of generating coherent radiation on these transitions is discussed.

About the authors

R. V. Arutyunyan

Nuclear Safety Institute, Russian Academy of Sciences (IBRAE RAS)

Email: aosadchy@kapella.gpi.ru
Russian Federation, Moscow

A. V. Osadchii

Nuclear Safety Institute, Russian Academy of Sciences (IBRAE RAS)

Author for correspondence.
Email: aosadchy@kapella.gpi.ru
Russian Federation, Moscow

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