Josephson Current through a One-Dimensional Interacting Electron Gas

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概要

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• The Josephson current through a one-dimensional (10) interacting electron system of length Lcottpled with two sttperconductors is studied in the presence of a barrier potential at the junctioninterfaces. The ID system is treated within the framework of the Tomonaga-Luttinger liquid, inwhich the interaction is characterized by correlation exponents K. and I(,. We pay attention tothe influence of Andreev reflection, which modifies the low-energy property of the 10 electronsystem near the .junction interfaces, It is found that the critical current at low ternperaturesdecays with increasing L as j. CX (I/L)"'P ", which is in striking contrast to the previotts resultj. c< (l/L)"""" ', obtained by Fazio et at. taking l'lO account of the influence of Andreevreflection.

• 社団法人日本物理学会の論文
• 1997-03-15

著者

• Takane Yositake

  Depatment Of Applied Physics Osaka City University

関連論文

• Mesoscopic Fluctuations of the DC Josephson Current in a Dirty SNS Junction
• Andreev Conductance of a One-Dimensional Interacting Electron Gas Coupled with a Superconductor
• Josephson Current through a One-Dimensional Interacting Electron Gas

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