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Majorana-Weyl fermions in the chiral superconductor Sr2RuO4

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Title: Majorana-Weyl fermions in the chiral superconductor Sr2RuO4
Authors: Nobukane, Hiroyoshi Browse this author
Tokuno, Akiyuki Browse this author
Matsuyama, Toyoki Browse this author
Tanda, Satoshi Browse this author
Issue Date: 1-Apr-2011
Publisher: American Physical Society
Journal Title: Physical Review B
Volume: 83
Issue: 14
Start Page: 144502
Publisher DOI: 10.1103/PhysRevB.83.144502
Abstract: We found Majorana-Weyl fermions in a chiral superconductor Sr2RuO4. The current-voltage curves reveal anomalous behavior: The induced voltage is an even function of the bias current. The zero-bias conductance peak was observed through the tunnel junction at the edge. The magnetic-field dependence suggests the excitation of the Majorana-Weyl fermions along the closed chiral edge current of the single domain under a bias current. We also discuss the relationship between a change in the chirality and the spontaneous magnetization of the single domain Sr2RuO4.
Rights: ©2011 American Physical Society
Type: article
URI: http://hdl.handle.net/2115/45276
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 延兼 啓純

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