Andreev drag effect via magnetic quasiparticle focusing in normal-superconductor nanojunctions

Details Andreev drag effect via magnetic quasiparticle focusing in normal-superconductor nanojunctions Andreev drag effect via magnetic quasiparticle focusing in normal-superconductor nanojunctions

2006-02-17

arxiv.org/abs/cond-mat/0602423v2

Physical Review B 74, 132508 (2006)

Physics

Condensed Matter

Superconductivity

4 pages, 5 figures, minor changes in references, submitted to PRL

Scientific paper

10.1103/PhysRevB.74.132508

We study a new hybrid normal-superconductor (NS) pi-junction in which the non-local current can be orders of magnitude larger than that in earlier proposed systems. We calculate the electronic transport of this NS hybrid when an external magnetic field is applied. It is shown that the non-local current exhibits oscillations as a function of the magnetic field, making the effect tunable with the field. The underlying classical dynamics is qualitatively discussed.

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