Basis-independent multiple-scattering theory for electron spectroscopies: General formalism

Authors
Citation
D. Sebilleau, Basis-independent multiple-scattering theory for electron spectroscopies: General formalism, PHYS REV B, 61(20), 2000, pp. 14167-14178
Citations number
57
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICAL REVIEW B
ISSN journal
01631829 → ACNP
Volume
61
Issue
20
Year of publication
2000
Pages
14167 - 14178
Database
ISI
SICI code
0163-1829(20000515)61:20<14167:BMTFES>2.0.ZU;2-0
Abstract
I present here a general formalism that allows the construction of the cros s section of any electron spectroscopy in a straightforward and transparent way. This approach does not make any assumption concerning the choice of t he basis functions used to expand the wave function of the electron. In thi s sense, it generalizes existing theories. It allows us to keep the physics well in view and offers, due to the relationship between operators and par ts of a pictorial representation of the experiments, a type of a graphical interface to the problem at hand. Moreover, it does not assume any particul ar shape for the potential.