Interferometric and Noise Signatures of Majorana Fermion Edge States in Transport Experiments

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Interferometric and Noise Signatures of Majorana Fermion Edge States in Transport Experiments

JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)

ID	984751
Author(s)	Strübi, Grégory; Belzig, Wolfgang; Choi, Mahn-Soo; Bruder, C
Author(s) at UniBasel	Bruder, Christoph Strübi, Gregory
Year	2011
Title	Interferometric and Noise Signatures of Majorana Fermion Edge States in Transport Experiments
Journal	Physical review letters
Volume	107
Number	13
Pages / Article-Number	136403
Abstract	Domain walls between superconducting and magnetic regions placed on top of a topological insulator support transport channels for Majorana fermions. We propose to study noise correlations in a Hanbury Brown-Twiss type interferometer and find three signatures of the Majorana nature of the channels. First, the average charge current in the outgoing leads vanishes. Furthermore, we predict an anomalously large shot noise in the output ports for a vanishing average current signal. Adding a quantum point contact to the setup, we find a surprising absence of partition noise which can be traced back to the Majorana nature of the carriers.
Publisher	American Physical Society
ISSN/ISBN	0031-9007
edoc-URL	http://edoc.unibas.ch/dok/A6001662
Full Text on edoc	No
Digital Object Identifier DOI	10.1103/PhysRevLett.107.136403
PubMed ID	http://www.ncbi.nlm.nih.gov/pubmed/22026879
ISI-Number	WOS:000298578500001
Document type (ISI)	Article

04/05/2024

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