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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/9389

Title: Electron correlation studies: Rumer basis approach
Authors: SARMA, CR
AHSAN, MAH
Keywords: space truncation scheme
representation-matrices
hubbard
models
Issue Date: 1996
Publisher: JOHN WILEY & SONS INC
Citation: INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY, 60(1), 147-156
Abstract: A technique for the configuration interaction (CI) study of many-electron systems is developed based on Rumer spin-coupling scheme for the antisymmetrized configuration state functions (CSF). Incorporating a new graphical approach, the primitive configurations have been generated in blocks of definite ionocities to permit ready association of possible spin functions with each of the primitive configurations. Simple as well as extended Hubard model Hamiltonians have been studied to test the efficiency of the method. Procedures have been incorporated to calculate various correlation functions using the spin-adapted CSFs without invoking explicit expansions in terms of slater determinants. (C) 1996 , Inc.
URI: http://dx.doi.org/10.1002/(SICI)1097-461X(1996)60:1<147::AID-QUA16>3.3.CO;2-3
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9389
http://hdl.handle.net/10054/9389
ISSN: 0020-7608
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