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The generalized t-V model in one dimension | | Marcin Szyniszewski
; Evgeni Burovski
; | | Date: |
30 Sep 2014 | | Abstract: | We develop a systematic strong coupling approach for studying an extended t-V
model with interactions of a finite range. Our technique is not based on the
Bethe ansatz and is applicable to both integrable and non-integrable models. We
illustrate our technique by presenting analytic results for the ground state
energy (up to order 7 in t/V), the current density and density-density
correlations for integrable and non-integrable models with commensurate filling
factors. We further present preliminary numerical results for incommensurate
non-integrable models. | | Source: | arXiv, 1409.8344 | | Services: | Forum | Review | PDF | Favorites | |
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