d-wave Superconductive Gap and Related Observables of PuCoGa5
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.
UMMARINO G. A.;
MAGNANI Nicola;
GRIVEAU Jean-Christophe;
REBIZANT J.;
CACIUFFO Roberto;
2009-03-04
ELSEVIER SCIENCE BV
JRC50734
0022-3115,
www.elsevier.com/locate/jnucmat,
https://publications.jrc.ec.europa.eu/repository/handle/JRC50734,
10.1016/j.jnucmat.2008.09.042,
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