Delocalization in Tight-Binding Hamiltonians: A Modified Coupled-Cluster Based Investigation
Strongly Correlated Electrons
2007-05-23 v1
Abstract
The nature of delocalization in a 1D system ruled by a tight-binding Hamiltonian is investigated. Using a local evaluation of the ground state energy, it is shown that the range of the delocalization effects is rather limited. The method is applied to 1/2 and 1/4 filled systems.
Cite
@article{arxiv.cond-mat/0502324,
title = {Delocalization in Tight-Binding Hamiltonians: A Modified Coupled-Cluster Based Investigation},
author = {Arnaud Boullanger and Vincent Robert},
journal= {arXiv preprint arXiv:cond-mat/0502324},
year = {2007}
}
Comments
7 pages, 3 figures