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SAMOP 2021 – scientific programme

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A: Fachverband Atomphysik

A 9: Interaction with strong or short laser pulses

A 9.5: Poster

Tuesday, September 21, 2021, 16:30–18:30, P

Contributions of edge-currents on the high-order harmonic generation in topological insulators — •Christoph Jürß and Dieter Bauer — University of Rostock, Institute of Physics, Rostock, Germany

Edge-states in topological insulators are localized on the edge of the solid system. They are robust against various perturbations. Edge currents allow a scatter-free electronic transport along the edge of the solid. In our work, the influence of edge-currents in the topological Haldanite material is simulated. The harmonic spectra for finite and the bulk system are compared and the contributions from the edge are identified. The frequency of the emitted light from the edge-current strongly depends on the size of the material, which opens new possibilities for multiple applications.

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