2000/07/17 by Austen Lamacraft, A Lamacraft, Benjamin D. Simons +1
Physics and Astronomy · #Action (physics) #Condensed matter physics #Impurity #Instanton #Magnetic field #Magnetic properties of thin films #Physics #Physics of Superconductivity and Magnetism #Quantum and electron transport phenomena #Quantum mechanics #Spectrum (functional analysis) #Superconductivity #cond-mat.mes-hall #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevlett.85.4783
4 pages, 2 eps figures
arxiv created 2000/07/17 · openalex publication_date 2000/11/27 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
A field theoretic approach is developed to investigate the profile and spectrum of subgap states in a superconductor subject to a weak magnetic impurity potential. Such states are found to be associated with spatially inhomogeneous instanton configurations of the action.