Tail States in Clean Superconductors with Magnetic Impurities

Authors

A. V. Shytov, Kavli Institute for Theoretical Physics
I. Vekhter, Los Alamos National Laboratory Theoretical Division
I. A. Gruzberg, The University of Chicago
A. V. Balatsky, Los Alamos National Laboratory Theoretical Division

Document Type

Article

Publication Date

1-1-2003

Abstract

We analyze the behavior of the density of states in a singlet [Formula presented]-wave superconductor with weak magnetic impurities in the clean limit. By using the method of optimal fluctuation and treating the order parameter self-consistently we show that the density of states is finite everywhere in the superconducting gap, and that it varies as [Formula presented] near the mean field gap edge [Formula presented] in a [Formula presented]-dimensional superconductor. In contrast to most studied cases the optimal fluctuation is strongly anisotropic. © 2003 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review Letters

First Page

4

Recommended Citation

Shytov, A., Vekhter, I., Gruzberg, I., & Balatsky, A. (2003). Tail States in Clean Superconductors with Magnetic Impurities. Physical Review Letters, 90 (14), 4. https://doi.org/10.1103/PhysRevLett.90.147002