Phonons and Inelastic neutron and X-ray Scattering Paolo Ghigna, Dipartimento di Chimica Fisica “M. Rolla”, Università di Pavia Summary
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Paolo Ghigna, Dipartimento di Chimica Fisica “M. Rolla”, Università di Pavia
DuMond (in 1929!) developed from first principles, a relation between the electron momentum distribution I(p) of an isotropic ensemble of electrons and the spectrum of a monochromatic x-ray beam inelastically scattered by them. This relation
which leads to:
DuMond’s experimental spectra of Be were clearly most similar to (i) which was the first direct evidence for the validity of the Fermi-Dirac electron momentum distribution.