Can Impurity Effects Help to Identify the Symmetry of the Order Parameter of the Cuprates?
arXiv:cond-mat/9405030 · doi:10.1016/0921-4534(94)92424-4
Abstract
The effects of non-magnetic impurities on the properties of superconductors with order parameters (OP) of different symmetry are discussed. In particular, we contrast the case of a d_{x^2 - y^2} with various forms of an anisotropic s-wave (ASW) gap. The biggest qualitative difference occurs if the phase of the s-wave OP does not change sign.
arXiv comment2pages, uuencoded Postscript, to appear in the Proceedings of the M^2-HTSC IV conference