Transformations of the Hubbard Model | Zendy

Mertsching J. | Zendy

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Transformations of the Hubbard Model

Author(s) -

Mertsching J.

Publication year - 1977

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2220820132

Subject(s) - hubbard model , antiferromagnetism , condensed matter physics , connection (principal bundle) , superconductivity , physics , magnetic field , transformation (genetics) , field (mathematics) , quantum mechanics , mathematics , chemistry , pure mathematics , geometry , biochemistry , gene

The significance of some transformations of the Hubbard model with an arbitrarily occupied symmetric band in a magnetic field is studied. The repulsion‐attraction transformation yields nontrivial relations between solutions of the Hubbard model with a positive and a negative correlation energy, respectively. As an example, the connection between an antiferromagnet in a magnetic field and a superconductor with a non‐half‐filled band is discussed.

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