Superconducting pairs in clusters and in the Cu-O plane
Journal Article
·
· International Journal of Modern Physics B
- Univ. di Roma Tor Vergata (Italy)
Recently, by exact diagonalization methods, the authors reported superconducting pairing and flux quantization in Cu-O Hubbard clusters of up to 21 atoms. The pairing is due to a configuration interaction mechanism driven by symmetry, and arises when the least bound holes have vanishing mutual repulsion (W = 0 pairs). The second-order, spin-flip interaction leads to a net attraction for the singlet and repulsion for the triplet. Here they show that electron bound pairs also exist and show similar flux quantization properties. Then, they extend the theory of pairing to the full plane and to all orders.
- OSTI ID:
- 687435
- Report Number(s):
- CONF-9810174--
- Journal Information:
- International Journal of Modern Physics B, Journal Name: International Journal of Modern Physics B Journal Issue: 9-10 Vol. 13; ISSN IJPBEV; ISSN 0217-9792
- Country of Publication:
- United States
- Language:
- English
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