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Erlangen 2018 – scientific programme

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A: Fachverband Atomphysik

A 33: Poster Session II

A 33.31: Poster

Wednesday, March 7, 2018, 16:15–18:15, Redoutensaal

Modelling high-harmonic generation in solids beyond the single active electron — •Helena Drüeke and Dieter Bauer — Institute of Physics, University of Rostock, 18051 Rostock, Germany

Laser-driven electrons in linear chains of ions constitute the simplest models for the study of high-harmonic generation (HHG) in solids. The importance of band structure, finite-size or surface effects, and electron-electron interaction can be systematically investigated using such models.

On the poster, we illustrate our implementation of a time-dependent Kohn-Sham solver for the study of solid slabs in intense laser fields. In particular, we present HHG spectra, discuss their cut-offs, and analyze the role of electron-electron interaction and topological surface effects [1,2].


[1] Kenneth K. Hansen, Tobias Deffge, Dieter Bauer, High-order harmonic generation in solid slabs beyond the single-active-electron approximation, Phys. Rev. A 96, 053418 (2017).
[2] Dieter Bauer, Kenneth K. Hansen, High-harmonic generation in solids with and without topological edge states, (submitted) arXiv:1711.05783.

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