Article (Scientific journals)
Full counting statistics of Majorana interferometers
Strubi, Gregory; Belzig, Wolfgang; Schmidt, Thomas et al.
2015In Physica E: Low-Dimensional Systems and Nanostructures, 74, p. 489
Peer reviewed
 

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Abstract :
[en] We study the full counting statistics of interferometers for chiral Majorana fermions with two incoming and two outgoing Dirac fermion channels. In the absence of interactions, the FCS can be obtained from the 4×4 scattering matrix S that relates the outgoing Dirac fermions to the incoming Dirac fermions. After presenting explicit expressions for the higher-order current correlations for a modified Hanbury Brown–Twiss interferometer, we note that the cumulant-generating function can be interpreted such that unit-charge transfer processes correspond to two independent half-charge transfer processes, or alternatively, to two independent electron-hole conversion processes. By a combination of analytical and numerical approaches, we verify that this factorization property holds for a general SO(4) scattering matrix, i.e. for a general interferometer geometry.
Disciplines :
Physics
Author, co-author :
Strubi, Gregory;  University of Basel
Belzig, Wolfgang;  University of Konstanz
Schmidt, Thomas ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Bruder, Christoph;  University of Basel
External co-authors :
yes
Language :
English
Title :
Full counting statistics of Majorana interferometers
Publication date :
August 2015
Journal title :
Physica E: Low-Dimensional Systems and Nanostructures
ISSN :
1386-9477
Publisher :
Elsevier Science
Volume :
74
Pages :
489
Peer reviewed :
Peer reviewed
Available on ORBilu :
since 04 February 2016

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