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Electronic structure and spontaneous internal field around nonmagnetic impurities in spin-triplet chiral p-wave superconductors

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Title: Electronic structure and spontaneous internal field around nonmagnetic impurities in spin-triplet chiral p-wave superconductors
Authors: Takigawa, Mitsuaki1 Browse this author
Ichioka, Masanori Browse this author
Kuroki, Kazuhiko Browse this author
Tanaka, Yukio Browse this author
Authors(alt): 瀧川, 光明1
Issue Date: 6-Dec-2005
Publisher: The American Physical Society
Journal Title: Physical Review B
Volume: 72
Issue: 224501
Start Page: 1
End Page: 6
Publisher DOI: 10.1103/PhysRevB.72.224501
Abstract: The electronic structure around an impurity in spin-triplet p-wave superconductors is studied by the Bogoliubov–de Gennes theory on a tight-binding model, where we have chosen sin px+i sin py-wave or sin(px+py)+i sin(−px+py)-wave states, which are considered to be candidates for the pairing state in Sr2RuO4. We calculate the spontaneous current and the local density of states around the impurity and discuss the difference between the two types of pairing. We propose that it is possible to discriminate the two pairing states by studying the spatial dependence of the magnetic field around a pair of impurities.
Rights: Copyright © 2005 American Physical Society
Relation: http://www.aps.org/
Type: article
URI: http://hdl.handle.net/2115/1403
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: 瀧川 光明

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