General spectral function expressions of a 1D correlated model
| dc.creator | Carmelo, J. M. P. | |
| dc.creator | Penc, K. | |
| dc.date | 2003-11-04 | |
| dc.date | 2005-12-20 | |
| dc.date.accessioned | 2026-07-07T06:34:48Z | |
| dc.date.available | 2026-07-07T06:34:48Z | |
| dc.description | We introduce a method that allows the evaluation of general expressions for the spectral functions of the one-dimensional Hubbard model for all values of the on-site electronic repulsion U. The spectral weights are expressed in terms of pseudofermion operators such that the spectral functions can be written as a convolution of pseudofermion dynamical correlation functions. Our results are valid for all finite energy and momentum values and are used elsewhere in the study of the unusual finite-energy properties of quasi-one-dimensional compounds and the new quantum systems of ultra-cold fermionic atoms on an optical lattice. | |
| dc.description | 25 pages, no figures | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0311075 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0311075 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/99636 | |
| dc.subject | Strongly Correlated Electrons | |
| dc.title | General spectral function expressions of a 1D correlated model | |
| dc.type | text |