Multiple Scattering Theory for Spectroscopies by Didier Sébilleau Keisuke Hatada & Hubert Ebert

Multiple Scattering Theory for Spectroscopies by Didier Sébilleau Keisuke Hatada & Hubert Ebert

Author:Didier Sébilleau, Keisuke Hatada & Hubert Ebert
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham


Their numerical values are derived at each step of the fit on the basis of a Monte Carlo thermal annealing procedure. In this way the agreement between theory and experimental data is quite good in the whole energy range, starting from the edge.

This phenomenological approach can be justified on the basis of the multi-channel MS theory [14]. In the sudden limit of the theory the net absorption is given by a sum over all the possible excited states of the -electron system. Assuming that all the electronic channels are near in energy, the total absorption is given by the convolution of the one-particle spectrum, calculated with the full relaxed potential, with a spectral function A(E) that represents the weight of the other electronic channels:



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