t-J model studied by the power Lanczos method
dc.contributor.author | Chen, Y. C. | en |
dc.contributor.author | Lee, T. K. | en |
dc.contributor.department | Center for Stochastic Processes in Science and Engineering (CSPISE) | en |
dc.contributor.department | Physics | en |
dc.date.accessed | 2014-04-23 | en |
dc.date.accessioned | 2014-05-07T15:37:07Z | en |
dc.date.available | 2014-05-07T15:37:07Z | en |
dc.date.issued | 1995-03 | en |
dc.description.abstract | The initial trial wave function used in a simple ground-state projection method, the power method, is systematically improved by using Lanczos algorithm. Much faster convergence to the ground state achieved by using these wave functions significantly reduces the effect of the fermion sign problem. The results for the ground state of the two-dimensional t-J model are presented. The density correlation function for the t-J model at small J shows a surprisingly good agreement with that of a system of noninteracting hard-core bosons. | en |
dc.description.sponsorship | National Science Council of Republic of China, Grant No. NSC83-0511-M007-00 | en |
dc.identifier.citation | Chen, Y. C.; Lee, T. K., "t-J model studied by the power Lanczos method," Phys. Rev. B 51, 6723 DOI: http://dx.doi.org/10.1103/PhysRevB.51.6723 | en |
dc.identifier.doi | https://doi.org/10.1103/PhysRevB.51.6723 | en |
dc.identifier.issn | 0163-1829 | en |
dc.identifier.uri | http://hdl.handle.net/10919/47893 | en |
dc.identifier.url | http://journals.aps.org/prb/abstract/10.1103/PhysRevB.51.6723 | en |
dc.language.iso | en_US | en |
dc.publisher | American Physical Society | en |
dc.rights | In Copyright | en |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | en |
dc.subject | hubbard-model | en |
dc.subject | phase | en |
dc.subject | state | en |
dc.subject | systems | en |
dc.subject | physics, condensed matter | en |
dc.title | t-J model studied by the power Lanczos method | en |
dc.title.serial | Physical Review B | en |
dc.type | Article - Refereed | en |
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