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Off-diagonal long-range order and currents in weakly coupled superconductors

✍ Scribed by S Rangarajan; Sudhanshu S Jha


Book ID
112909070
Publisher
Springer-Verlag
Year
1973
Tongue
English
Weight
575 KB
Volume
1
Category
Article
ISSN
0304-4289

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Off-diagonal long-range order in the BCS
✍ Marvin E Rensink πŸ“‚ Article πŸ“… 1967 πŸ› Elsevier Science 🌐 English βš– 339 KB

The two-particle reduced density matrix p2 is analyzed for a system of electrons described by the BCS ground state. The existence of off-diagonal longrange order in pZ is demonstrated by explicit calculation of its matrix elements. It is shown that pz has one eigenvalue proportional to N where N is