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|Title:||d-wave Superconductive Gap and Related Observables of PuCoGa5|
|Authors:||UMMARINO G. A.; MAGNANI Nicola; GRIVEAU Jean-Christophe; REBIZANT J.; CACIUFFO Roberto|
|Citation:||JOURNAL OF NUCLEAR MATERIALS vol. 385 p. 4-7|
|Publisher:||ELSEVIER SCIENCE BV|
|Type:||Articles in periodicals and books|
|Abstract:||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 D(T) for a freshly prepared sample, and the variation of D(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.|
|JRC Directorate:||Nuclear Safety and Security|
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