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Geometrical properties of nodal surfaces of many‐electron wave functions
Author(s) -
Chuvylkin Nikolai D.,
Smolenskii Evgenii A.,
Molchanova Marina S.,
Zefirov Nikolai S.
Publication year - 2009
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.22365
Subject(s) - pauli exclusion principle , wave function , equipotential , helium atom , quantum , quantum chemical , quantum mechanics , hydrogen atom , electron , equipotential surface , atom (system on chip) , chemistry , physics , molecule , atomic physics , embedded system , computer science , group (periodic table)
Abstract Hypothesis of the exclusion of equipotential surfaces for many‐electron wave functions (MWF) has been enunciated. This hypothesis clarifies the physical meaning of the Pauli exclusion principle and opens the way for future progress of new quantum‐chemical methods for the construction of approximate MWFs differing from the traditional Hartree–Fock approximation. The equipotential surface exclusion principle has been tested on traditional representative “test systems” of quantum mechanics: the helium atom, the lithium atom, and the hydrogen molecule. Judging by the results of these tests, the use of the suggested approach can lead to a considerable increase in the efficiency of high‐accuracy quantum‐chemical calculations. © 2009 Wiley Periodicals, Inc. Int J Quantum Chem, 2010

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