Resonances and off-specular scattering in neutron waveguides |
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| Authors: | S V Kozhevnikov F Ott A Paul and L Rosta |
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| Institution: | 1.Frank Laboratory of Neutron Physics,Dubna, Moscow Region,Russian Federation;2.CEA, IRAMIS, Laboratoire Léon Brillouin, 91191 Gif-sur-Yvette, France CNRS, IRAMIS, Laboratoire Léon Brillouin,Gif-sur-Yvette,France;3.Institut für Festk?rperforschung,Jülich,Germany;4.Research Institute for Solid State Physics and Optics,Budapest,Hungary |
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| Abstract: | Off-specular neutron scattering from layered resonant
systems has been studied. As an example, tri-layer neutron waveguides have
been investigated experimentally by neutron reflectometry. In such systems,
the neutron wave function is strongly localized in the guiding layer. The
resonant states in the total reflection region lead to enhanced off-specular
scattering from the interface roughness. The relation between the resonant
states and off-specular scattering is discussed. |
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