Výsledky vyhledávání - "Calogero, R. A."

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Full-Potential Multiple Scattering Theory with Space-Filling Cells for bound and continuum states

Autor: Hatada, Keisuke, Hayakawa, Kuniko, Benfatto, Maurizio, Natoli, Calogero R.

We present a rigorous derivation of a real space Full-Potential Multiple-Scattering-Theory (FP-MST), valid both for continuum and bound states, that is free from the drawbacks that up to now have impaired its development, in particular the need to us

Externí odkaz: http://arxiv.org/abs/0809.0069

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Study of the Electronic Structure in Oxides Using Absorption and Resonant X-Ray Scattering

Autor: Joly, Yves, Nazarenko, Elena S., Lorenzo, José-Emilio, Di Matteo, Sergio, Natoli, Calogero R.

Publikováno v: Dans AIP Conference Proceedings - X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference, Stanford : \'Etats-Unis d'Am\'erique (2006)

Resonant X-ray scattering (RXS) is a spectroscopy where both the power of site selective diffraction and the power of local absorption spectroscopy regarding atomic species are combined. By virtue of the dependence on the core level state energy and

Externí odkaz: http://arxiv.org/abs/0711.1449

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Full Potential Multiple Scattering for X-ray Spectroscopies

Autor: Hatada, Keisuke, Hayakawa, Kuniko, Benfatto, Maurizio, Natoli, Calogero R.

Publikováno v: Physical Review B (Vol.76, No.6) 060102 (Rapid Communications) (2007)

We present a Full Potential Multiple Scattering (FP-MS) scheme for the interpretation of several X-ray spectroscopies that is a straightforward generalization of the more conventional Muffin-Tin (MT) version. Like this latter, it preserves the intuit

Externí odkaz: http://arxiv.org/abs/cond-mat/0702528

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X-ray absorption spectra at the Ca-L$_{2,3}$-edge calculated within multi-channel multiple scattering theory

Autor: Krüger, Peter, Natoli, Calogero R.

We report a new theoretical method for X-ray absorption spectroscopy (XAS) in condensed matter which is based on the multi-channel multiple scattering theory of Natoli et al. and the eigen-channel R-matrix method. While the highly flexible real-space

Externí odkaz: http://arxiv.org/abs/cond-mat/0407287

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