Shot noise and multiple Andreev reflections in d-wave superconductors

Abstract

We present a theoretical analysis of the shot noise in d-wave/d-wave contacts with arbitrary transparency, including the contribution of multiple Andreev reflections. The multiple charge quanta transferred in these processes are revealed as a huge enhancement of the noise-current ratio at low voltages, which survives for all crystal misorientations. We also show how different ingredients like non-magnetic impurities or a magnetic field produce very characteristic hallmarks in the shot noise, which can be used as a further test of the d-wave scenario in superconducting cuprates.

Revtex4, 4 pages, 4 color figures

References in corpus (5)

• Andreev bound states in high-$T_c$ superconducting junctions
• Quasiclassical description of transport through superconducting contacts
• Experimental test for subdominant superconducting phases with complex order parameters in cuprate grain boundary junctions
• Subharmonic gap structure in d-wave superconductors
• Interplay between single-particle and two-particle tunneling in normal metal-d-wave superconductor junctions probed by shot noise

Cited by in corpus (7)

• Electron pairing in the pseudogap state revealed by shot noise in copper-oxide junctions
• Transfer-matrix description of heterostructures involving superconductors and ferromagnets
• DC-transport in superconducting point contacts: a full counting statistics view
• Local and Nonlocal Shot Noise in High-$T_C$ Superconducting Nanowires
• Spin-polarized multiple Andreev reflections in spin-split superconductors
• Shot noise in normal metal-d-wave superconducting junctions
• Andreev reflection in normal metal/charge-4e superconductor junctions