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arxiv 1208.3738 v2 pith:YPOG4W37 submitted 2012-08-18 cond-mat.mes-hall quant-ph

Demonstrating nonlocality induced teleportation through Majorana bound states in a semiconductor nanowire

classification cond-mat.mes-hall quant-ph
keywords teleportationdetectorsmajoranameasurementnanowiresemiconductoranalyzebackaction
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It was predicted by Tewari [Phys. Rev. Lett. {\bf 100}, 027001 (2008)] that a teleportationlike electron transfer phenomenon is one of the novel consequences of the existence of Majorana fermion, because of the inherently nonlocal nature. In this work we consider a concrete realization and measurement scheme for this interesting behavior, based on a setup consisting of a pair of quantum dots which are tunnel-coupled to a semiconductor nanowire and are jointly measured by two point-contact detectors. We analyze the teleportation dynamics in the presence of measurement backaction and discuss how the teleportation events can be identified from the current trajectories of strong response detectors.

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