QUANTUM TRANSPORT IN SEMICONDUCTOR-SUPERCONDUCTOR MICROJUNCTIONS

被引：364
|
作者：
BEENAKKER, CWJ
机构：
[1] Instituut-Lorentz, University of Leiden, 2300 RA Leiden
来源：
PHYSICAL REVIEW B | 1992年 / 46卷 / 19期
关键词：
D O I：
10.1103/PhysRevB.46.12841
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A formula is derived that relates the conductance of a normal-metal-superconductor (NS) junction to the single-electron transmission eigenvalues. The formula is applied to a quantum point contact (yielding conductance quantization at multiples of 4e2/h), to a quantum dot (yielding a non-Lorentzian conductance resonance), and to quantum interference effects in a disordered NS junction (enhanced weak-localization and reflectionless tunneling through a potential barrier).
引用
收藏
页码：12841 / 12844
页数：4
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