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New spin-wave branch induced by the hole doping in La1−xCaxMnO3

✍ Scribed by M. Hennion; F. Moussa; J. Rodriguez-Carvajal; L. Pinsard; A. Revcolevschi

Book ID
114228024
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
177 KB
Volume
177-181
Category
Article
ISSN
0304-8853

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Hole-hole superconducting pairing in the
Hole-hole superconducting pairing in the t-J model induced by long-range spin-wave exchange
✍ V.V Flambaum; M.Yu Kuchiev; O.P Sushkov 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 856 KB

Long-range (r ~ p ~-~ >> lattice spacing) spin-wave exchange produces a very strong pairing of the holes. Solutions of the BCStype equation for the superconducting gap A are found for various symmetries. The strongest pairing corresponds to d wave symmetry. The physical reasons for the strong pairin