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Coexistence of Diagonal and Off-Diagonal Long-Range Orders in Fermion Systems

✍ Scribed by Nagaoka, Y.


Book ID
118121630
Publisher
Institute of Pure and Applied Physics
Year
1974
Tongue
English
Weight
255 KB
Volume
52
Category
Article
ISSN
0033-068X

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πŸ“œ SIMILAR VOLUMES


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