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Magnetic Field Influence on the Proximity Effect in Semiconductor - Superconductor Hybrid Structures and Their Thermal Conductance by Tkachov, Grygoriy; Fal'ko, Vladimir I. is a scholarly article available to read on EtoBox.

What is Magnetic Field Influence on the Proximity Effect in Semiconductor - Superconductor Hybrid Structures and Their Thermal Conductance about?

We show that a magnetic field can influnce the proximity effect in NS junctions via diamagnetic screening current flowing in the superconductor. Using ballistic quasi-one-dimensional (Q1D) electron channels as an example, we show that the supercurrent flow shifts the proximity-induced minigap in the excitation spectrum of a Q1D system from the Fermi level to higher quasiparticle energies. Thermal conductance of a Q1D channel (normalized by that of a normal Q1D ballistic system) is predicted to manifest such a spectral feature as a nonmonotonic behavior at temperatures corresponding to the energy of excitation into the gapful part of the spectrum.

Author

Tkachov, Grygoriy; Fal'ko, Vladimir I.

Published

2003

Language

EN