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arXiv 1108.0918physics.atm-clus
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交换作用在内嵌富勒烯自洽计算中的作用

Role of exchange interaction in self-consistent calculations of endohedral fullerenes

Alexey V. Verkhovtsev, Roman G. Polozkov, Vadim K. Ivanov, Andrei V. Korol, Andrey V. Solov'yov

摘要:

采用Hartree-Fock方法和局域密度近似,对内嵌富勒烯Ar@C $_{60}$的电子结构进行了自洽计算.首次将Hartree-Fock近似用于自洽描述。它表明,所有的化合物的电子之间的交换相互作用的准确帐户导致显着修改的原子价壳层,导致显着的电荷重新分布内的内面化合物。

英文摘要:

Results of the self-consistent calculation of electronic structure of endohedral fullerene Ar@C$_{60}$ within the Hartree-Fock and the local density approximations are presented. Hartree-Fock approximation is used for the self-consistent description for the first time. It is shown that the accurate account of the exchange interaction between all electrons of the compound leads to the significant modification of the atomic valent shell which causes the noticeable charge redistribution inside the endohedral compound.

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