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Hannover 2020 – scientific programme

The DPG Spring Meeting in Hannover had to be cancelled! Read more ...

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A: Fachverband Atomphysik

A 11: Attosecond physics II

A 11.5: Talk

Tuesday, March 10, 2020, 15:15–15:30, f107

Static Coherent State Method: High-order Harmonic Gen- eration in atomic and molecular systems in different gauges — •Mohammadreza Eidi and Jan-Michael Rost — Max Planck Institute for the Physics of Complex Systems - Dresden

We apply the static coherent states (SCS) method [1] to investigate high-order harmonic generation (HHG) in atomic and molecular systems, comparing results for different gauges. We present a case study of the Hydrogen molecular ion H2+ interacting with a few-cycle linearly polarized optical laser in full three-dimensional space. In the original implementation, coherent states are chosen randomly which requires a large number of them. Here, we employ a Gaussian optimization process technique to reduce the number of coherent states without sacrificing accuracy.

[1] Eidi, et.al. Applied Sciences, 8(8):1252, jul 2018.

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