Charge-excess superconductors and the pseudo-angular-momentum approach to Josephson tunneling
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
This work addresses the problem of describing the Josephson junction with a pseudo-angular-momentum formalism. An alternate approach to the existing pseudo-angular-momentum theory is begun with a modification of the fundamental operators upon which the method is based. Along with this, a new state vector, which affords a more complete description of the constant-charge-imbalance mode of the junction, is explicitly constructed. Certain inconsistencies which arise within the existing pseudo-angular-momentum theory are discussed in the context of this new formulation. Finally, a method is suggested for employing the charge-imbalance state in problems where the pair difference between the junction sites is allowed to vary.
- Research Organization:
- Department of Physics, University of Arizona, Tucson, Arizona 85721
- OSTI ID:
- 5017492
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 25:11; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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