Franck–Condon picture of incoherent neutron scattering

Abstract : A spectroscopic interpretation of incoherent neutron scattering experiments is presented which is based on Franck–Condon-type probabilities for scattering-induced transitions between quantum states of the target. The resulting expressions for the scattering functions enable an energy landscape-oriented analysis of neutron scattering spectra as well as a physical interpretation of Van Hove’s space–time correlation functions in the quantum regime that accounts for the scattering kinematics. They suggest moreover a combined analysis of quasi- and inelastic scattering that becomes inseparable for complex systems with slow power-law relaxation.
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Journal articles
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https://hal.archives-ouvertes.fr/hal-01966151
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Submitted on : Thursday, December 27, 2018 - 4:15:38 PM
Last modification on : Friday, June 14, 2019 - 3:12:14 PM

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  • HAL Id : hal-01966151, version 1

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Gerald Kneller. Franck–Condon picture of incoherent neutron scattering. Proceedings of the National Academy of Sciences of the United States of America , National Academy of Sciences, 2018, 115 (38), pp.9450-9455. ⟨hal-01966151⟩

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