Numerical minimisation of Gutzwiller energy functionals

We give a comprehensive introduction into an efficient numerical scheme for the minimisation of Gutzwiller energy functionals for multi‐band Hubbard models. Our method covers all conceivable cases of Gutzwiller variational wave functions and has been used successfully in previous numerical studies....

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Published in:physica status solidi (b) 2012-06, Vol.249 (6), p.1282-1291
Main Authors: Bünemann, Jörg, Gebhard, Florian, Schickling, Tobias, Weber, Werner
Format: Article
Language:English
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Gutzwiller energy functionals
Gutzwiller wave functions
multi-band Hubbard model
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description We give a comprehensive introduction into an efficient numerical scheme for the minimisation of Gutzwiller energy functionals for multi‐band Hubbard models. Our method covers all conceivable cases of Gutzwiller variational wave functions and has been used successfully in previous numerical studies.
doi_str_mv 10.1002/pssb.201147585
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subjects Gutzwiller energy functionals
Gutzwiller wave functions
multi-band Hubbard model
title Numerical minimisation of Gutzwiller energy functionals
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