SKM 2021 – wissenschaftliches Programm
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DY: Fachverband Dynamik und Statistische Physik
DY 4: Poster Session II: Nonlinear Dynamics, Simulations and Machine Learning
DY 4.7: Poster
Dienstag, 28. September 2021, 17:30–19:30, P
Quantitative Waveform Sampling on Atomic Scales — Dominik Peller1, Carmen Roelcke1, •Lukas Kastner1, Thomas Buchner1, Alexander Neef1, Johannes Hayes1, Franco Bonafé2, Dominik Sidler2, Michael Ruggenthaler2, Angel Rubio2,3,4, Rupert Huber1, and Jascha Repp1 — 1University of Regensburg, Germany — 2MPSD, MPG, Hamburg, Germany — 3CCQ, Flatiron Institute, New York, USA — 4UPV/EHU, San Sebastían, Spain
Using a single molecule as a local field sensor, we precisely sample the absolute field strength and temporal evolution of tip-confined near-field transients in a lightware-driven scanning tunnelling microscope. To develop a comprehensive understanding of the extracted atomic-scale nearfield, we simulated the far-to-near-field transfer with classical electrodynamics and include time-dependent density functional theory to validate our calibration and conclusions.