Antiparamagnon and NMR in a d-wave superconductor
β Scribed by Hyekyung Won; Kazumi Maki
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 166 KB
- Volume
- 206-207
- Category
- Article
- ISSN
- 0921-4526
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We analyse bulk properties of d-wave superconductor, which is considered relevant to high T c superconductor, within weak coupling theory. The electronic density of states exhibits a lograthismic peak at E=A. Further if we identify this A with energy gap, we obtain zX(0)/Tc=2.14 somewhat larger than
Superflow in a phenomenological tight-binding model for the superconducting state of some high-temperature superconductors is discussed thoroughly. The formalism used is explicitly gauge invariant and currents are computed exactly within the BCS theory, going therefore beyond linear response theory.