Analysis of the shift in the superconducting transition under pressure in the Anderson-Hubbard two-orbital model

• Published in: Физика низких температур
• Date: 1998
• Main Author: Kosov, A.A.
• Format: Article
• Language: English
• Published: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 1998
• Subjects: Свеpхпpоводимость, в том числе высокотемпеpатуpная
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/174987
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Analysis of the shift in the superconducting transition under pressure in the Anderson-Hubbard two-orbital model / A.A. Kosov // Физика низких температур. — 1998. — Т. 24, № 3. — С. 204-214. — Бібліогр.: 22 назв. — англ.

The two-orbital Hubbard model is used to obtain formulas for the fermion excitation spectrum in the energy bands hybridized by Anderson's interaction. A transition to the Hubbard operators, which diagonalizes the one-site part of the Hamiltonian, allows us to use the Green's temperature fu...