Nagy, Á. ; Sen, K. D. (2001) Ground- and excited-state cusp conditions for the electron density Journal of Chemical Physics, 115 (14). pp. 6300-6308. ISSN 0021-9606
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Official URL: http://link.aip.org/link/jcpsa6/v115/i14/p6300/s1
Related URL: http://dx.doi.org/10.1063/1.1402165
Abstract
Higher-order cusp relations are derived for the wave function and the electron density of the ground and the excited states of atoms, ions or molecules. The total energy is expressed in terms of the electronic potential and density terms defined at the nucleus. It is proved that the linear term of the spherical part in the expansion of the Kohn-Sham potential, the classical Coulomb and the exchange correlation potentials around a nucleus are all equal to zero. A relationship involving the values of the density and its second and third derivatives at the nucleus is derived.
Item Type: | Article |
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Source: | Copyright of this article belongs to American Institute of Physics. |
Keywords: | Electron Density; Excited States; Ground States; Wave Functions; Atomic Structure; Molecular Electronic States |
ID Code: | 44944 |
Deposited On: | 24 Jun 2011 13:48 |
Last Modified: | 24 Jun 2011 13:48 |
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