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Quantum Hall Bilayer Digital Amplifier

Abstract : A quantum Hall double layer system at total Landau level filling factor ν=1, seeded by a modulated ac-voltage input signal of frequency inside the forbidden band gap, is demonstrated to work as a digital amplifier of ultra weak signals. The theory employs to the sine-Gordon model and it is confirmed by the first experimental observations of nonlinear bistable transmission in a pendula chain.
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Submitted on : Friday, May 25, 2007 - 12:16:13 PM
Last modification on : Friday, December 20, 2019 - 2:04:03 PM

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R. Khomeriki, D. Chevriaux, J. Leon. Quantum Hall Bilayer Digital Amplifier. European Physical Journal B: Condensed Matter and Complex Systems, Springer-Verlag, 2006, 49, pp.213-218. ⟨10.1140/epjb/e2006-00053-9⟩. ⟨in2p3-00149197⟩



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