One-dimensional Surface Bound States in d-wave Superconductors
Superconductivity
2007-05-23 v1 Strongly Correlated Electrons
Abstract
We present an {\it exact} quantum theory for the bound states in the vicinity of an edge or a line of impurities in a superconductor. For a (110)-surface we show that a finite dispersion of the one dimensional band of bound states leads to a two peak structure in the density of states (DOS). We study the effect of an applied magnetic field and a subdominant order parameter on the DOS and discuss the implications of our results for tunneling experiments.
Cite
@article{arxiv.cond-mat/0010460,
title = {One-dimensional Surface Bound States in d-wave Superconductors},
author = {Dirk K. Morr and Eugene Demler},
journal= {arXiv preprint arXiv:cond-mat/0010460},
year = {2007}
}
Comments
4 pages, figures 2 and 3 are in color