Characterizing electron entanglement in multiterminal mesoscopic conductors

Details Characterizing electron entanglement in multiterminal mesoscopic conductors Characterizing electron entanglement in multiterminal mesoscopic conductors

2007-02-22

arxiv.org/abs/cond-mat/0702519v3

Phys. Rev. B 75, 241305(R) (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 1 figure. Ref. added

Scientific paper

10.1103/PhysRevB.75.241305

We show that current correlations at the exit ports of a beam splitter can be
used to detect electronic entanglement for a fairly general input state. This
includes the situation where electron pairs can enter the beam splitter from
the same port or be separated due to backscattering. The proposed scheme allows
to discriminate between occupation-number and degree-of-freedom entanglement.

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