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Coherent control of neutron interferometry

Author(s)
Pushin, Dmitry A
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Massachusetts Institute of Technology. Dept. of Physics.
Advisor
David C. Cory and Young S. Lee.
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M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. http://dspace.mit.edu/handle/1721.1/7582
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Abstract
In this thesis, several novel techniques are proposed and demonstrated for measuring the coherent properties of materials and testing aspects of quantum information processing using a single crystal neutron interferometer. In particular we introduce methods for reciprocal space encoding of spatial information systematically in a neutron interferometer. First, a proof of principle experiment is conducted for coherent reciprocal space neutron imaging. This newly proposed technique overcomes the limitation of spacial resolution of current two dimensional neutron detectors. Second, an experiment to measure the vertical coherent length of a neutron interferometer is reported, which extends the previously achieved path separation. Third, we propose a new interferometry geometry that reduces the sensitivity of the neutron interferometer to environmental vibrational disturbances. The method is based on a quantum error compensating algorithm. Finally, a new method that is capable of measuring the autocorrelation function of a sample is proposed. This new technique can extend the capability of traditional neutron scattering experiments. All experiments are conducted at the neutron interferometry facility at the National Institute of Standards and Technology (NIST).
Description
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, February 2007.
 
Includes bibliographical references (leaves 125-128).
 
Date issued
2007
URI
http://hdl.handle.net/1721.1/39292
Department
Massachusetts Institute of Technology. Department of Physics
Publisher
Massachusetts Institute of Technology
Keywords
Physics.

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