Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2005-04-22
Phys. Rev. B 72, 245314 (2005).
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
8 pages, 1 figure
Scientific paper
10.1103/PhysRevB.72.245314
We suggest an operating scheme for the deliberate generation of spin-entangled electron pairs in a normal-metal mesoscopic structure with fork geometry. Voltage pulses with associated Faraday flux equal to one flux unit $\Phi_0=hc/e$ drive individual singlet-pairs of electrons towards the beam splitter. The spin-entangled pair is created through a post-selection in the two branches of the fork. We analyze the appearance of entanglement in a Bell inequality test formulated in terms of the number of transmitted electrons with a given spin polarization.
Blatter Gianni
Lebedev Alexander V.
Lesovik Gordey B.
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