2001/04/30 by Anatoli Polkovnikov · 1 citation
Physics and Astronomy · #Physics of Superconductivity and Magnetism #Quantum and electron transport phenomena #Rare-earth and actinide compounds #cond-mat.str-el #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevb.65.064503
published as Phys. Rev. B, 65, 064503 (2002) · 10 pages, 4 figures
arxiv created 2001/10/11 · openalex publication_date 2002/01/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We present theoretical investigation of a single magnetic impurity in a d-wave superconductor using the large-N limit. It is shown that Kondo screening occurs only in the presence of particle-hole asymmetry. We find analytical expressions for the Kondo temperature, magnetic susceptibility, and scattering matrix near the phase transition. The results are generalized for the density of states vanishing with an arbitrary exponent. Also we briefly study the modifications of the theory for the case of a nonmagnetic impurity which induces a staggered spin configuration on nearby copper atoms.