Title :
Calculation of the Josephson current in p-wave and s-wave superconducting hetero-junctions by Bogoliubov transformation
Author :
Nakayama, Akiyoshi ; Okabe, Yoichi
Author_Institution :
Dept. of Electr. Eng., Kanagawa Univ., Yokohama, Japan
fDate :
3/1/1991 12:00:00 AM
Abstract :
A superconducting heterojunction made of a p-wave superconductor and a normal s-wave superconductor is investigated. The Bogoliubov transformation for the p-wave superconductor was obtained by diagonalizing the superconducting Hamiltonian. The value of the Josephson current that flows in the heterojunctions of p-wave/s-wave superconductors was calculated with this Bogoliubov transformation and was shown to be zero in the first-order perturbation at 0 K and at finite temperature. The ground state of the Balian-Werthamer-state superconductor at 0 K was obtained in the second-quantization formalism
Keywords :
Josephson effect; perturbation theory; superconducting junction devices; Balian-Werthamer-state superconductor; Bogoliubov transformation; Josephson current; first-order perturbation; normal s-wave superconductor; p-wave superconductor; second-quantization formalism; superconducting Hamiltonian; superconducting hetero-junctions; Electrodes; Electrons; Frequency domain analysis; High temperature superconductors; Joining processes; Josephson effect; Josephson junctions; Superconducting materials; Superconductivity; Tunneling;
Journal_Title :
Magnetics, IEEE Transactions on
