Dynamic generation of orbital quasiparticle entanglement in mesoscopic conductors

Details Dynamic generation of orbital quasiparticle entanglement in mesoscopic conductors Dynamic generation of orbital quasiparticle entanglement in mesoscopic conductors

2004-10-22

arxiv.org/abs/cond-mat/0410581v2

Phys. Rev. B 71, 245317 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 2 figures; references updated

Scientific paper

10.1103/PhysRevB.71.245317

We propose a scheme for dynamically creating orbitally entangled electron-hole pairs through a time-dependent variation of the electrical potential in a mesoscopic conductor. The time-dependent potential generates a superposition of electron-hole pairs in two different orbital regions of the conductor, a Mach-Zehnder interferometer in the quantum Hall regime. The orbital entanglement is detected via violation of a Bell inequality, formulated in terms of zero-frequency current noise. Adiabatic cycling of the potential, both in the weak and strong amplitude limit, is considered.

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