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Van hove singularity and “pseudo-gap” in HTSC

✍ Scribed by J. Bouvier; J. Bok


Book ID
105588488
Publisher
Springer
Year
1997
Tongue
English
Weight
178 KB
Volume
10
Category
Article
ISSN
0896-1107

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Van Hove Singularity and Superconductivi
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We apply the Coherent Potential Approximation (CPA) to a simple extended Hubbard model with a nearest and next nearest neighbour hopping for disordered superconductors with s-, d-and p-wave pairing. We show how the Van Hove singularities in the electron density of states enhance the transition tempe