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Title: Quantum measurement and the quantum to classical transition in a non-linear quantum oscillator
Authors: Everitt, Mark J.
Munro, W.J.
Spiller, T.P.
Issue Date: 2011
Publisher: IOP Publishing Ltd. © the authors
Citation: EVERITT, M.J., MUNRO, W.J. and SPILLER, T.P., 2011. Quantum measurement and the quantum to classical transition in a non-linear quantum oscillator. Journal of Physics: Conference Series, 306, 012045. 5th International Workshop DICE2010, 7pp.
Abstract: We study a non-linear quantum mechanical oscillator, acting as a measurement device. Candidate systems for realising such apparatus range from superconducting devices through to nano-mechanical resonators. The measurement device comprises an oscillator circuit where the dynamics of expectation values, in its correspondence limit, are either chaotic-like or periodic depending on the measured state of the quantum object – in this case a qubit. In a previous work we showed how the classical like trajectories of such a quantum system can act as a model of a projective measurement process. Here we investigate the quantum to classical transition of the measurement device and postulate criteria for realisation of an effective implementation of such a device.
Description: This article was published in the Journal of Physics: Conference Series [© IOP Publishing] under a Creative Commons Attribution licence.
Version: Published
DOI: 10.1088/1742-6596/306/1/012045
URI: https://dspace.lboro.ac.uk/2134/12055
Publisher Link: http://dx.doi.org/10.1088/1742-6596/306/1/012045
ISSN: 1742-6588
Appears in Collections:Published Articles (Physics)

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