Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2010-10-04
New J. Phys. 13 (2011) 085002
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
5 pages, 1 figure
Scientific paper
10.1088/1367-2630/13/085002
We show that a one dimensional device supporting a pair of Majorana bound states at its ends can produce remarkable Hanbury-Brown Twiss like interference effects between well separated Dirac fermions of pertinent energies. We find that the simultaneous scattering of two incoming electrons or two incoming holes from the Majorana bound states leads exclusively to an electron-hole final state. This "anti-bunching" in electron-hole internal pseudospin space can be detected through current-current correlations. Further, we show that, by scattering appropriate spin polarized electrons from the Majorana bound states, one can engineer a non-local entangler of electronic spins for quantum information applications. Both the above phenomena should be observable in diverse physical systems enabling to detect the presence of low energy Majorana modes.
Bose Sougato
Sodano Pasquale
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