Effect of spin-orbit coupling on the excitation spectrum of Andreev billiards

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dc.creatorBéri, B.
dc.creatorBardarson, J. H.
dc.creatorBeenakker, C. W. J.
dc.date2006-12-19
dc.date.accessioned2026-07-07T07:55:48Z
dc.date.available2026-07-07T07:55:48Z
dc.descriptionWe consider the effect of spin-orbit coupling on the low energy excitation spectrum of an Andreev billiard (a quantum dot weakly coupled to a superconductor), using a dynamical numerical model (the spin Andreev map). Three effects of spin-orbit coupling are obtained in our simulations: In zero magnetic field: (1) the narrowing of the distribution of the excitation gap; (2) the appearance of oscillations in the average density of states. In strong magnetic field: (3) the appearance of a peak in the average density of states at zero energy. All three effects have been predicted by random-matrix theory.
dc.description5 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0612501
dc.identifierhttp://arxiv.org/abs/cond-mat/0612501
dc.identifierPhys.Rev.B 75, 165307 (2007)
dc.identifierdoi:10.1103/PhysRevB.75.165307
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/127094
dc.subjectMesoscale and Nanoscale Physics
dc.titleEffect of spin-orbit coupling on the excitation spectrum of Andreev billiards
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