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Dynamic generation of orbital quasiparticle entanglement in mesoscopic conductors

P. Samuelsson·M. Buttiker
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Abstract

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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P. Samuelsson, M. Buttiker. 2004-11-11. Dynamic generation of orbital quasiparticle entanglement in mesoscopic conductors. https://doi.org/10.1103/physrevb.71.245317

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