Effective mass at the surface of a Fermi liquid
Strongly Correlated Electrons
2009-10-31 v1 Superconductivity
Abstract
Using the dynamical mean-field theory, we calculate the effective electron mass in the Hubbard model on a semi-infinite lattice. At the surface the effective mass is strongly enhanced. Near half-filling this gives rise to a correlation-driven one-electron surface mode.
Cite
@article{arxiv.cond-mat/9811136,
title = {Effective mass at the surface of a Fermi liquid},
author = {M. Potthoff and W. Nolting},
journal= {arXiv preprint arXiv:cond-mat/9811136},
year = {2009}
}
Comments
LaTeX, 2 pages, 1 eps figure included, Physica B (in press), SCES 98