Strong coupling Hartree-Fock approximation in the dynamical mean-field theory

• Published in: Condensed Matter Physics
• Date: 2001
• Main Author: Shvaika, A.M.
• Format: Article
• Language: English
• Published: Інститут фізики конденсованих систем НАН України 2001
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/119753
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Strong coupling Hartree-Fock approximation in the dynamical mean-field theory / A.M. Shvaika // Condensed Matter Physics. — 2001. — Т. 4, № 1(25). — С. 85-92. — Бібліогр.: 16 назв. — англ.

In the limit of infinite spatial dimensions, a thermodynamically consistent
 theory, which is valid for arbitrary value of the Coulombic interaction ( U <
 ∞ ), is built for the Hubbard model when the total auxiliary single-site problem
 exactly splits into four subspa...