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Josephson current through superconductor/diffusive-normal-metal/superconductor junctions: Interference effects governed by pairing symmetry

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Title: Josephson current through superconductor/diffusive-normal-metal/superconductor junctions: Interference effects governed by pairing symmetry
Authors: Asano, Yasuhiro Browse this author →KAKEN DB
Tanaka, Yukio Browse this author
Yokoyama, Takehito Browse this author
Kashiwaya, Satoshi Browse this author
Issue Date: 2006
Publisher: American Physical Society
Journal Title: Physical Review B
Volume: 74
Issue: 064507
Publisher DOI: 10.1103/PhysRevB.74.064507
Abstract: The Josephson effect in superconductor/diffusive-normal-metal/superconductor junctions is studied numerically by using the recursive Green function method. In superconductors, we consider spin-singlet s- and d-wave and spin-triplet p-wave pairing symmetries. The pairing symmetry governs two interference effects in junctions: the formation of a midgap Andreev resonant state at junction interfaces and the proximity effect in diffusive normal metals. A cooperative effect between the two interference effects causes anomalous Josephson current in a p-wave symmetry.
Rights: Copyright © 2006 American Physical Society
Relation: http://www.aps.org/
Type: article
URI: http://hdl.handle.net/2115/14740
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 浅野 泰寛

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