Magnetoconductance Oscillations in Ballistic Semiconductor-Superconductor Junctions
Y. Asano
TL;DR
This paper explains how magnetoconductance oscillations in ballistic semiconductor-superconductor junctions arise from the interplay of cyclotron motion and phase shifts during Andreev and normal reflections.
Contribution
It provides a theoretical analysis of the mechanism behind conductance oscillations in such junctions, highlighting the role of classical and quantum effects.
Findings
Oscillations occur when both normal and Andreev reflections are present.
The oscillations are caused by the interplay of cyclotron motion and magnetic phase shifts.
The mechanism explains experimental observations of conductance variations.
Abstract
The mechanism of the magnetoconductance oscillations in junctions of a ballistic semiconductor and a superconductor is discussed. The oscillations appear when both the normal and the Andreev reflection occur at the interface. The interplay between the classical cyclotron motion of a quasiparticle and the phase shift caused by the magnetic field is the origin of the conductance oscillations.
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