We discuss the effects of quasiparticle energy dependence of the normal density of states on the Eliashberg equations in the case of high-Tc superconductors and compare the numerical results with our recent tunneling experimental data in Bi2Sr2CaCu2O8+x with Tc = 93 K. We also consider the possibility of quasiparticle energy dependence of the electron-phonon spectral function α2(Ω)F(Ω) and calculate its effects on the superconducting density of states.
Energy dependence of the normal density of states and of the electron-phonon spectral function in the quasiparticle tunneling of high-Tc superconductors / Ummarino, G. A.; Gonnelli, R. S.; Stepanov, V. A.. - In: PHYSICA. C, SUPERCONDUCTIVITY. - ISSN 0921-4534. - 282-287:3(1997), pp. 1501-1502.
Titolo: | Energy dependence of the normal density of states and of the electron-phonon spectral function in the quasiparticle tunneling of high-Tc superconductors | |
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Data di pubblicazione: | 1997 | |
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Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/S0921-4534(97)00858-7 | |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/11583/2847837