GSA algorithm applied to electronic structure: Hartree-Fock-GSA method

GSA algorithm applied to electronic structure: Hartree-Fock-GSA method

A stochastical algorithm to investigate the real closed‐shell Hartree–Fock problem is proposed. The approach is based on a global optimization method, the generalized simulated annealing. We tested this methodology by determining the Hartree–Fock ground state of the H2, LiH, BH, Li2, OH−, FH, CO, N2...

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Veröffentlicht in:International journal of quantum chemistry 2005, Vol.103 (5), p.493-499
Hauptverfasser: de Andrade, M. D., Mundim, K. C., Malbouisson, L. A. C.
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Sprache:eng
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absolute minimum
electronic structure
generalized simulated annealing
Hartree-Fock
stochastic Hartree-Fock algorithm
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container_title International journal of quantum chemistry
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creator de Andrade, M. D.
Mundim, K. C.
Malbouisson, L. A. C.
description A stochastical algorithm to investigate the real closed‐shell Hartree–Fock problem is proposed. The approach is based on a global optimization method, the generalized simulated annealing. We tested this methodology by determining the Hartree–Fock ground state of the H2, LiH, BH, Li2, OH−, FH, CO, N2, BeH2, CH2, H2O, NH3, HCHO, CH4 molecular systems using minimal, double‐zeta, and triple‐zeta bases. The main characteristic of this method is that it enables mapping the electronic hypersurface to find minima with the guarantee of finding the absolute minimum of the functional in focus. © 2005 Wiley Periodicals, Inc. Int J Quantum Chem, 2005
doi_str_mv 10.1002/qua.20580
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subjects absolute minimum
electronic structure
generalized simulated annealing
Hartree-Fock
stochastic Hartree-Fock algorithm
title GSA algorithm applied to electronic structure: Hartree-Fock-GSA method
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