1998/07/03 by A. Poenicke, Andreas Poenicke, Yu. S. Barash +3 · 1 citation
Mathematics · Physics and Astronomy · #Atomic physics #Bound state #Condensed matter physics #Impurity #Limit (mathematics) #Mathematics #Physics #Physics of Superconductivity and Magnetism #Quantum mechanics #Rare-earth and actinide compounds #Scattering #Superconductivity #Topological Materials and Phenomena #Unitarity #Upper and lower bounds #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevb.59.7102
published as Phys. Rev. B 59, 7102 (1999) · 6 page including 7 figures, submitted to Phys. Rev. B
arxiv created 1998/07/03 · openalex publication_date 1999/03/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
We investigate the broadening of the bound states at an interface of an unconventional superconductor by bulk impurity scattering. We use the quasiclassical theory and include impurity scattering in the Born and in the unitarity limit. The broadening of bound states due to unitary scatterers is shown to be substantially weaker than in the Born limit. We study various model geometries and calculate the temperature dependence of the Josephson critical current in the presence of these impurity-broadened bound states.