Tunneling between Two Helical Superconductors via Majorana Edge Channels


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/43770

Title:	Tunneling between Two Helical Superconductors via Majorana Edge Channels
Authors:	Asano, Yasuhiro Browse this author
	Tanaka, Yukio Browse this author
	Nagaosa, Naoto Browse this author
Issue Date:	30-Jul-2010
Publisher:	American Physical Society
Journal Title:	Physical Review Letters
Volume:	105
Issue:	5
Start Page:	056402
Publisher DOI:	10.1103/PhysRevLett.105.056402
PMID:	20867939
Abstract:	We discuss electric transport through a point contact which bridges Majorana fermion modes appearing at edges of two helical superconductors. The contents focus on the effects of interference and interaction unique to the Majorana fermions and the role of spin-orbit interaction (SOI). Besides the Josephson current, the quasiparticle conductance depends sensitively on the phase difference and relative helicity between the two superconductors. The interaction among the Majorana fermions causes the power-law temperature dependences of conductance for various tunneling channels. Especially, in the presence of SOI, the conductance always increases as the temperature is lowered.
Rights:	© 2010 The American Physical Society
Type:	article
URI:	http://hdl.handle.net/2115/43770
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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