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  • Response to "Comment on 'Indications of energetic consequences of decoherence at short times for scattering from open quantum systems'" [AIP Advances 1, 049101 (2011)]

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    Author(s)
    Chatzidimitriou-Dreismann, CA
    Gray, E MacA
    Blach, TP
    Griffith University Author(s)
    Gray, Evan M.
    Year published
    2011
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    Abstract
    The Comment by Mayers and Reiter criticizes our work on two counts. Firstly, it is claimed that the quantum decoherence effects that we report in consequence of our experimental analysis of neutron Compton scattering from H in gaseous H2 are not, as we maintain, outside the framework of conventional neutron scattering theory. Secondly, it is claimed that we did not really observe such effects, owing to a faulty analysis of the experimental data, which are claimed to be in agreement with conventional theory. We focus in this response on the critical issue of the reliability of our experimental results and analysis. Using the ...
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    The Comment by Mayers and Reiter criticizes our work on two counts. Firstly, it is claimed that the quantum decoherence effects that we report in consequence of our experimental analysis of neutron Compton scattering from H in gaseous H2 are not, as we maintain, outside the framework of conventional neutron scattering theory. Secondly, it is claimed that we did not really observe such effects, owing to a faulty analysis of the experimental data, which are claimed to be in agreement with conventional theory. We focus in this response on the critical issue of the reliability of our experimental results and analysis. Using the same standard Vesuvio instrument programs used by Mayers et al., we show that, if the experimental results for H in gaseous H2 are in agreement with conventional theory, then those for D in gaseous D2 obtained in the same way cannot be, and vice-versa. We expose a flaw in the calibration methodology used by Mayers et al. that leads to the present disagreement over the behaviour of H, namely the ad hoc adjustment of the measured H peak positions in TOF during the calibration of Vesuvio so that agreement is obtained with the expectation of conventional theory. We briefly address the question of the necessity to apply the theory of open quantum systems.
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    Journal Title
    AIP Advances
    Volume
    1
    Issue
    4
    DOI
    https://doi.org/10.1063/1.3660422
    Copyright Statement
    © The Author(s) 2011. For information about this journal please refer to the publisher’s website or contact the authors. Articles are licensed under the terms of the Creative Commons Attribution 3.0 Unported (CC BY 3.0) license (http://creativecommons.org/licenses/by/3.0/) which permits unrestricted, distribution and reproduction in any medium, providing that the work is properly cited.
    Subject
    Atomic, molecular and optical physics
    Quantum physics
    Quantum physics not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/45403
    Collection
    • Journal articles

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