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Strong coupling in strongly correlated superconductors

✍ Scribed by L. Puig-Puig; F. López-Aguilar; J. Costa-Quintana

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
145 KB
Volume
199-200
Category
Article
ISSN
0921-4526

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✦ Synopsis

The strong-coupling equations using pair potentials determined from screened U interactions are solved for obtaining the superconducting gap function, and the regions on the band-parameter space where superconductivity is possible, In this communication, we solve the strong-coupling equations [1-3] with fermion-fermion interactions arising from the effective interaction Ve.(w) using the

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✍ L. Puig-Puig; J. Costa-Quintana; F. López-Aguilar 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 204 KB

We consider the Eliashberg equations in systems in which the coupling potential between fermions with parallel and antiparallel spins is distinguished. We analyze in both cases the possibility of obtaining superconductivity.