Resonant Impurity Scattering in a Strongly Correlated Electron Model
Condensed Matter
2009-10-22 v1
Abstract
Scattering by a single impurity introduced in a strongly correlated electronic system is studied by exact diagonalization of small clusters. It is shown that an inert site which is spinless and unable to accomodate holes can give rise to strong resonant scattering. A calculation of the local density of state reveals that, for increasing antiferromagnetic exchange coupling, d, s and p-wave symmetry bound states in which a mobile hole is trapped by the impurity potential induced by a local distortion of the antiferromagnetic background successively pull out from the continuum.
Keywords
Cite
@article{arxiv.cond-mat/9311008,
title = {Resonant Impurity Scattering in a Strongly Correlated Electron Model},
author = {D. Poilblanc and W. Hanke and D. J. Scalapino},
journal= {arXiv preprint arXiv:cond-mat/9311008},
year = {2009}
}
Comments
10 pages, 4 figures available on request, report LPQTH-93-20