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arXiv · 0905.0787

Two-particle non-local Aharonov-Bohm effect from two single-particle emitters

Janine Splettstoesser·Michael Moskalets·Markus Büttiker
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Abstract

We propose a mesoscopic circuit in the quantum Hall effect regime comprising two uncorrelated single-particle sources and two distant Mach-Zehnder interferometers with magnetic fluxes, which allows in a controllable way to produce orbitally entangled electrons. Two-particle correlations appear as a consequence of erasing of which path information due to collisions taking place at distant interferometers and in general at different times. The two-particle correlations manifest themselves as an Aharonov-Bohm effect in noise while the current is insensitive to magnetic fluxes. In an appropriate time-interval the concurrence reaches a maximum and a Bell inequality is violated.

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Janine Splettstoesser, Michael Moskalets, Markus Büttiker. 2009-05-06. Two-particle non-local Aharonov-Bohm effect from two single-particle emitters. https://doi.org/10.1103/physrevlett.103.076804

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