O.A. Chubykalo, B. Lengsfield, et al.
IEEE Transactions on Magnetics
The influence of a single magnetic impurity on an s-wave superconductor is investigated by solving the Bogoliubov-De Genne equations with the impurity modeled by a spin-dependent square potential well of radius a and strength J. Unlike the one with a δ-function potential, our model shows multiple phase transitions with increase of J or a, which manifest themselves through a change of the nature of impurity bound states. By considering a finite size superconducting host (impurity on a superconducting grain) we suggest a way of observing the transitions in experiment. © 2000 American Institute of Physics.
O.A. Chubykalo, B. Lengsfield, et al.
IEEE Transactions on Magnetics
L. Tsymbal, V.I. Kamenev, et al.
Low Temperature Physics
A.H. Castro Neto, B. Jones
Physical Review B - CMMP
Chiung-Yuan Lin, A. H. Castro Neto, et al.
Physical Review B - CMMP