Tunneling Conductance in Quantum-Wire/Ferromagnetic-Insulator/d-Wave Superconductor Junction  

作　　者：LI Xiao-Wei 

机构地区：[1]Department of Physics, Huaiyin Teachers College, Hunian 223001, China

出　　处：《Communications in Theoretical Physics》2008年第5期1345-1348,共4页理论物理通讯（英文版）

基　　金：The project supported by the Natural Science Foundation of the Education Committee of Jiangsu Province of China under Grant No.06KJB140009

摘　　要：We have studied the quasiparticle transport in quantum-wire /ferromagnetic-insulator/d wave super- conductor Junction （q/FI/d） in the framework of the Blonder-Tinkham-Klapwijk model. We calculate the tunneling conductance in q/FI/d as a function of the bias voltage at zero temperature and finite temperature based on Bogoliubov- de Gennes equations. Different from the case in normal-metal/insulator/d wave superconductor Junctions, the zero-bias conductance peaks vanish for the single-mode case. The tunneling conductance spectra depend on the magnitude of the exchange interaction at the ferromagnetic-insulator.

关 键 词：quantum wire ferromagnetic insulator d-wave superconductor tunneling conductance 

分 类 号：O455[理学—无线电物理] O46[理学—物理]