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Communication Dans Un Congrès Année : 2020

Many body phenomenon within multiple scattering approach in PEELS

Résumé

Plasmon excitation within multiple scattering approach is being explored. The plasmon loss is described within the so-called quasi-boson approximation, originally proposed by Hedin and further extended by Fujikawa. We compare the different uctuation potentials i.e. Plasmon-pole model, Bechstedt model and other available potentials based on beyond-RPA dielectric functions and use either the exact core state wave function or more accurate model than a simple delta function used previously for total energy loss in Aluminium targets. © 2019 Published under licence by IOP Publishing Ltd.
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Dates et versions

hal-02892617 , version 1 (09-07-2020)

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Citer

Aditi Mandal, V. Kochetov, N Dhankhar, D. Sébilleau, R. Choubisa. Many body phenomenon within multiple scattering approach in PEELS. 31st International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2019, Jul 2019, Caen, France. pp.202021, ⟨10.1088/1742-6596/1412/20/202021⟩. ⟨hal-02892617⟩
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