【摘 要】
：
Andreev reflection (AR) [1] refers to a peculiar quasiparticle reflection process that takes place at the interface between a nor-mal metal and a superconductor.Specifically,an electron impinging from the normal metal is reflected back as a hole,which eff
【机 构】
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School of Physics,Peking University,Beijing 100871,China
【出 处】
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中国科学：物理学 力学 天文学（英文版）
论文部分内容阅读
Andreev reflection (AR) [1] refers to a peculiar quasiparticle reflection process that takes place at the interface between a nor-mal metal and a superconductor.Specifically,an electron impinging from the normal metal is reflected back as a hole,which effectively describes that two electrons in the normal metal penetrate into the superconductor and form a Cooper pair.AR domi-nates the electron transport below the superconducting gap in the superconductor junctions,which is an important experimental approach for the detection of various properties of electronic systems,such as the pairing symmetry of the unconventional superconductors,the spin polarization of the itinerant electrons and most recently,Majorana zero mode in topological systems.
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