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D-wave superconductive gap and related observables of PuCoGa5

UMMARINO, G. A ; MAGNANI, N ; GRIVEAU, J.-C ; REBIZANT, J ; CACIUFFO, R

Journal of nuclear materials, 2009-03, Vol.385 (1), p.4-7 [Periódico revisado por pares]

Amsterdam: Elsevier

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Título:
D-wave superconductive gap and related observables of PuCoGa5
Autor: UMMARINO, G. A ; MAGNANI, N ; GRIVEAU, J.-C ; REBIZANT, J ; CACIUFFO, R
Assuntos: Applied sciences ; Controled nuclear fusion plants ; Energy ; Energy. Thermal use of fuels ; Exact sciences and technology ; Fission nuclear power plants ; Fuels ; Installations for energy generation and conversion: thermal and electrical energy ; Nuclear fuels
É parte de: Journal of nuclear materials, 2009-03, Vol.385 (1), p.4-7
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: The real-axis formulation of the Eliashberg theory has been applied to PuCoGa5, assuming d-wave symmetry and phonon-mediated pairing. Here, we present the calculated temperature dependence of the superconductive gap Delta (T) for a freshly prepared sample, and the variation of Delta (T = 2 K) with increasing impurity scattering rate. We also present the calculated energy dependence of the quasiparticle density of state, together with the corresponding normalized tunnelling conductance at T = 4 K. These quantities could be compared with future tunnelling experiments that would also lead to a direct determination of the spectral density function. Finally, we show that the normal phase resistivity can be well reproduced up to room temperature assuming electron-phonon scattering within a two-band model.
Editor: Amsterdam: Elsevier
Idioma: Inglês

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D-wave superconductive gap and related observables of PuCoGa5

UMMARINO, G. A ; MAGNANI, N ; GRIVEAU, J.-C ; REBIZANT, J ; CACIUFFO, R

Amsterdam: Elsevier

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