D-WAVE, DIMER, AND CHIRAL STATES IN THE 2-DIMENSIONAL HUBBARD-MODEL
- PAROLA, ALBERTO
- SORELLA S
- PARRINELLO M
- TOSATTI E.
Publication date
January 1991
DOI Publisher
American Institute of Physics:2 Huntington Quadrangle, Suite 1NO1:Melville, NY 11747:(800)344-6902, (631)576-2287, EMAIL: subs@aip.org, INTERNET: http://www.aip.org, Fax: (516)349-9704 ISSN
0163-1829 Citation count (estimate)
10Abstract
The ground-state properties of two holes on a 4 x 4 Hubbard cluster have been studied using a Lanczos algorithm at intermediate coupling U = 4. Several states have been found to lie within a very small energy range at the bottom of the spectrum. Although many properties of these states are remarkably similar, their overall symmetries are quite different, suggesting different possible scenarios in larger systems
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