Noise and entanglement in quantum conductors

In this article we discuss our two recent proposals on producing and detecting of entangled states in quantum conductors. First we analyze a setup where two electrons are scattered on a quantum dot with Coulomb repulsion and became orbitally entangled. Second, for identical noninteracting particles...

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Hauptverfasser: Lesovik, G. B., Lebedev, A. V.
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description In this article we discuss our two recent proposals on producing and detecting of entangled states in quantum conductors. First we analyze a setup where two electrons are scattered on a quantum dot with Coulomb repulsion and became orbitally entangled. Second, for identical noninteracting particles we suggest an operating scheme for the deliberate generation of spin-entangled electron pairs in a normal-metal mesoscopic structure with a fork geometry. The spin-entangled pair is created through a post-selection in the two branches of the fork. We also make comments on different ways of producing and quantifying the degree of entanglement.
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identifier ISSN: 0094-243X
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issn 0094-243X
1551-7616
language eng
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source AIP Journals Complete
subjects CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COULOMB FIELD
ELECTRON PAIRS
ELECTRONS
FLUCTUATIONS
NOISE
POLARIZATION
QUANTUM COMPUTERS
QUANTUM DOTS
QUANTUM ENTANGLEMENT
QUANTUM MECHANICS
SPIN
title Noise and entanglement in quantum conductors
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