Shot noise in normal metal-d-wave superconducting junctions

Details Shot noise in normal metal-d-wave superconducting junctions Shot noise in normal metal-d-wave superconducting junctions

2003-04-25

arxiv.org/abs/cond-mat/0304588v1

Phys. Rev. B 68, 054504 (2003)

Physics

Condensed Matter

Superconductivity

15 pages, 8 figures and 3 tables embedded

Scientific paper

10.1103/PhysRevB.68.054504

We present theoretical calculations and predictions for the shot noise in voltage biased junctions of $d_{x^2-y^2}$ superconductors and normal metal counter-electrodes. In the clean limit for the d-wave superconductor the shot noise vanishes at zero voltage because of resonant Andreev reflection by zero-energy surface bound states. We examine the sensitivity of this resonance to impurity scattering. We report theoretical results for the magnetic field dependence of the shot noise, as well the fingerprints of subdominant $s$- and $d_{xy}$ pairing channels.

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