Document Detail


Quantum resistor-capacitor circuit with majorana fermion modes in a chiral topological superconductor.
MedLine Citation:
PMID:  25170724     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We investigate the mesoscopic resistor-capacitor circuit consisting of a quantum dot coupled to spatially separated Majorana fermion modes in a chiral topological superconductor. We find substantially enhanced relaxation resistance due to the nature of Majorana fermions, which are their own antiparticles and are composed of particle and hole excitations in the same abundance. Further, if only a single Majorana mode is involved, the zero-frequency relaxation resistance is completely suppressed due to a destructive interference. As a result, the Majorana mode opens an exotic dissipative channel on a superconductor which is typically regarded as dissipationless due to its finite superconducting gap.
Authors:
Minchul Lee; Mahn-Soo Choi
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Publication Detail:
Type:  Journal Article     Date:  2014-08-13
Journal Detail:
Title:  Physical review letters     Volume:  113     ISSN:  1079-7114     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2014 Aug 
Date Detail:
Created Date:  2014-08-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  076801     Citation Subset:  IM    
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