The best two-phase idealization of a sample in small-angle scattering.
The equations to be solved in order to determine the best discrete-valued approximation to a given electron or scattering-length density function are worked out. A simple illustration is reported.
Dipartimento di Fisica G. Galilei e unità INFM, via Marzolo 8, I-35131 Padova, Italy. ciccariello@pd.infn.it
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Ciccariello