Anomalous proximity effect and theoretical design for its realization


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PhysRevB.91.174511.pdf

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/59470

Title:	Anomalous proximity effect and theoretical design for its realization
Authors:	Ikegaya, Satoshi Browse this author
	Asano, Yasuhiro Browse this author →KAKEN DB
	Tanaka, Yukio Browse this author
Issue Date:	16-May-2015
Publisher:	American Physical Society
Journal Title:	Physical review B
Volume:	91
Issue:	17
Start Page:	174511
Publisher DOI:	10.1103/PhysRevB.91.174511
Abstract:	We discuss the stability of zero-energy states appearing in a dirty normal metal attached to a superconducting thin film with Dresselhaus [110] spin-orbit coupling under an in-plane Zeeman field. The Dresselhaus superconductor preserves an additional chiral symmetry and traps more than one zero-energy state at its edges. All the zero-energy states at an edge belong to the same chirality in large Zeeman fields due to the effective p-wave pairing symmetry. The pure chiral nature of the wave function enables the zero-energy states to penetrate the dirty normal metal while retaining their high degree of degeneracy. We prove the perfect Andreev reflection into the dirty normal metal at zero energy.
Rights:	©2015 American Physical Society
Type:	article
URI:	http://hdl.handle.net/2115/59470
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: 池谷聡

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