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Title: Phonon-induced superconductivity in the presence of the charge-density-wave pseudogap : strong-coupling description
Authors: Cebula, Anna
Mierzejewski, Marcin
Keywords: nadprzewodnictwo indukowane; fizyka jądrowa
Issue Date: 2001
Citation: Acta Physica Polonica. B, 2001, no. 2, s. 543-549
Abstract: We have considered phonon-induced superconductivity in the presence of the pseudogap originating from Charge-Density-Wave (CDW) excitations within the two-dimensional lattice. Eliashberg formalism has been applied and the CDW effects have been taken into account with the help of the renormalization of propagators in the Dyson equation. The CDW gap has been incorporated in the semiphenomenological way, assuming the d-wave symmetry. We have evaluated the superconducting transition temperature Tc as a function of doping. The influence of the normal-state pseudogap on the isotope shift exponent has also been considered[…]
ISSN: 0587-4254
Appears in Collections:Artykuły (WNŚiT)

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