Spectrum and States of the BCS Hamiltonian in a Finite Domain. III. BCS Hamiltonian with Mean-Field Interaction

• Published in: Український математичний журнал
• Date: 2002
• Main Author: Petrina, D.Ya.
• Format: Article
• Language: English
• Published: Інститут математики НАН України 2002
• Subjects: Статті
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/164613
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Spectrum and States of the BCS Hamiltonian in a Finite Domain. III. BCS Hamiltonian with Mean-Field Interaction / D.Ya. Petrina // Український математичний журнал. — 2002. — Т. 54, № 11. — С. 1486–1505. — Бібліогр.: 7 назв. — англ.

We investigate the spectrum of a model Hamiltonian with BCS and mean-field interaction in a finite domain under periodic boundary conditions. The model Hamiltonian is considered on the states of pairs and waves of density charges and their excitations. It is represented as the sum of three operators...