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Spin and superconducting instabilities near a Van Hove singularity

✍ Scribed by J. González


Book ID
117554417
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
342 KB
Volume
642
Category
Article
ISSN
0550-3213

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Van Hove Singularity and Superconductivi
✍ G. Litak 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 294 KB

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