Tunneling between Two Helical Superconductors via Majorana Edge Channels

Asano, Yasuhiro; Tanaka, Yukio; Nagaosa, Naoto

Physical Review Letters, 2010, 105(5), 056402

Permalink : https://hdl.handle.net/2115/43770

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アクセス権	open access
URI	https://hdl.handle.net/2115/43770
タイトル	Tunneling between Two Helical Superconductors via Majorana Edge Channels
著者	Asano, Yasuhiro ; Tanaka, Yukio ; Nagaosa, Naoto
著者名 Asano, Yasuhiro
著者名 Tanaka, Yukio
著者名 Nagaosa, Naoto
言語	英語
発行日	2010-07-30
出版者	American Physical Society
収録物名	Physical Review Letters
巻(号)	105(5)
ページ	056402
抄録	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.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	© 2010 The American Physical Society
PISSN	0031-9007
関連情報	PMID 20867939
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1103/PhysRevLett.105.056402