Article (Scientific journals)
Tunneling between helical Majorana modes and helical Luttinger liquids
Chao, Sung-Po; Schmidt, Thomas; Chung, Chung-Hou
2015In Physical Review. B, 91, p. 235125
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Abstract :
[en] We propose and study the charge transport through single and double quantum point contacts setup between helical Majorana modes and an interacting helical Luttinger liquid. We show that the differential conductance decreases for stronger repulsive interactions and that the point contacts become insulating above a critical interaction strength. For a single-point contact, the differential conductance as a function of bias voltage shows a series of peaks due to Andreev reflection of electrons in the Majorana modes. In the case of two point contacts, interference phenomena make the structure of the individual resonance peaks less universal and show modulations with different separation distance between the contacts. For small separation distance, the overall features remain similar to the case of a single-point contact.
Disciplines :
Physics
Author, co-author :
Chao, Sung-Po;  National Center for Theoretical Science, Taiwan
Schmidt, Thomas ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Chung, Chung-Hou;  National Center for Theoretical Science, Taiwan
External co-authors :
yes
Language :
English
Title :
Tunneling between helical Majorana modes and helical Luttinger liquids
Publication date :
June 2015
Journal title :
Physical Review. B
ISSN :
2469-9969
Publisher :
American Physical Society
Volume :
91
Pages :
235125
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 04 February 2016

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