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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Bibliographic Details
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
Subjects:
Gutzwiller energy functionals
Gutzwiller wave functions
multi-band Hubbard model
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Summary: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.
ISSN:0370-1972
1521-3951
DOI:10.1002/pssb.201147585