Exact demonstration of. eta. pairing in the ground state of an attractive- U Hubbard model
Journal Article
·
· Physical Review Letters; (USA)
- Department of Physics, University of California, Davis, California 95616 (US)
We show that the recently discovered {eta}-pairing scheme combined with the Nagaoka-Thouless picture for itinerant ferromagnetism leads to a new type of superconductivity in the attractive-{ital U} Hubbard model in the sector 0{lt}({ital N}{sub {up arrow}}{minus}{ital N}{sub {down arrow}})/({ital N}{sub {up arrow}}+{ital N}{sub {down arrow}}){much lt}1, where {ital N}{sub {up arrow}} and {ital N}{sub {down arrow}} are the occupation numbers of up and down spins. This results holds for all dimensionalities {ital d}{ge}2.
- OSTI ID:
- 5634633
- Journal Information:
- Physical Review Letters; (USA), Vol. 66:24; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
Similar Records
Penson-Kolb-Hubbard model: A study of the competition between single-particle and pair hopping in one dimension
Exact results for the U = infinity Hubbard model
Magnetic effects, dynamical form factors, and electronic instabilities in the Hubbard chain
Journal Article
·
Thu Jul 15 00:00:00 EDT 1993
· Physical Review, B: Condensed Matter; (United States)
·
OSTI ID:5634633
Exact results for the U = infinity Hubbard model
Journal Article
·
Mon Oct 01 00:00:00 EDT 1990
· Physical Review, B: Condensed Matter; (USA)
·
OSTI ID:5634633
Magnetic effects, dynamical form factors, and electronic instabilities in the Hubbard chain
Journal Article
·
Sun Aug 01 00:00:00 EDT 1993
· Physical Review, B: Condensed Matter; (United States)
·
OSTI ID:5634633
+1 more