Evidence for Collective Nonlinear Interactions in X Ray into Ultraviolet Parametric Down-Conversion.
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DOI: 10.1103/physrevlett.122.023902
Abstract: We present the observation of peculiar nonmonotonic photon energy dependencies of the count rates and of the rocking curves of parametric down-conversion of x rays into ultraviolet far from any atomic resonances. The observations cannot… read more here.
Keywords: interactions ray; nonlinear interactions; parametric conversion; collective nonlinear ... See more keywords