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量子线/绝缘层/p波超导体结的隧道谱
引用本文:李晓薇.量子线/绝缘层/p波超导体结的隧道谱[J].物理学报,2007,56(10):6033-6037.
作者姓名:李晓薇
作者单位:淮阴师范学院物理系,淮安,223001
基金项目:江苏省高校自然科学基金
摘    要:用Bogoliubov-de Gennes方程来研究量子线/绝缘层/p波超导体结(q/I/p)中的准粒子输运过程,利用推广的Blonder,Tinkham和Klapwijk模型计算绝对零度和有限温度下q/I/p的一级谐波隧道谱.和量子线/绝缘层/d波超导体结的一级谐波隧道谱不同的是q/I/p的一级谐波隧道谱中存在零偏压电导峰.随着q/I/p中绝缘层的势垒散射增强,q/I/p的一级谐波隧道谱中零偏压电导峰变高.

关 键 词:量子线  p波超导体  隧道谱
收稿时间:2006-12-12
修稿时间:2006-12-12

Tunneling conductance in quantum-wire/insulator/p wave superconductor junction
Li Xiao-Wei.Tunneling conductance in quantum-wire/insulator/p wave superconductor junction[J].Acta Physica Sinica,2007,56(10):6033-6037.
Authors:Li Xiao-Wei
Institution:Department of Physics, Huaiyin Normal College, Huaian 223001, China
Abstract:Using Bogoliubov-de Gennes equations,we study the quasiparticle transport in quantum-wire/insulator/p wave superconductor junction (q/I/p). In the framework of the Blonder-Tinkham-Klapwijk model,we calculate the tunneling conductance in q/I/p as a function of the bias voltage at zero temperature and finite temperature. Differently from the case in quantum-wire/insulator/d wave superconductor junctions,there are zero-bias conductance peaks in the single-mode case. With the barrier strength becoming strong,the zero-bias conductance is gradually enhanced.
Keywords:quantum-wire  p-wave superconductor  tunneling conductance
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