Giant Backscattering Peak in Angle-Resolved Andreev Reflection
arXiv:cond-mat/9501003 · doi:10.1103/PhysRevB.51.13883
Abstract
It is shown analytically and by numerical simulation that the angular distribution of Andreev reflection by a disordered normal-metal -- superconductor junction has a narrow peak at the angle of incidence. The peak is higher than the well-known coherent backscattering peak in the normal state, by a large factor G/G_0 (where G is the conductance of the junction and G_0=2e^2/h). The enhanced backscattering can be detected by means of ballistic point contacts.
Instituut-Lorentz, Leiden, The Netherlands, 4 pages, REVTeX-3.0, 3 figures
References in corpus (2)
Cited by in corpus (16)
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