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Volume-Localized Quantum Levels in Charged Fullerenes

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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.

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Correspondence to A. V. Osadchii.

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Translated from Atomnaya Énergiya, Vol. 126, No. 4, pp. 225–228, April, 2019.

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Arutyunyan, R.V., Osadchii, A.V. Volume-Localized Quantum Levels in Charged Fullerenes. At Energy 126, 259–263 (2019). https://doi.org/10.1007/s10512-019-00547-9

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