Quantum entanglement generation with surface acoustic waves

Details Quantum entanglement generation with surface acoustic waves Quantum entanglement generation with surface acoustic waves

2006-10-06

arxiv.org/abs/cond-mat/0610168v1

Phys. Rev. B 74, 195341 (2006).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

16 pages, 18 figures

Scientific paper

10.1103/PhysRevB.74.195341

We propose a scheme to produce spin entangled states for two interacting electrons. One electron is bound in a well in a semiconductor quantum wire and the second electron is transported along the wire, trapped in a surface acoustic wave potential (SAW) minimum. We investigate the conditions for which the Coulomb interaction between the two electrons induces entanglement. Detailed numerical investigation reveals that the two electrons can be fully spin entangled depending on the confinement characteristics of the well and the SAW potential amplitude.

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