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O: Fachverband Oberflächenphysik

O 23: Ultrafast Electron Dynamics at Surfaces and Interfaces III

Tuesday, March 19, 2024, 10:30–13:15, MA 041

10:30 O 23.1 Emergence of Floquet band structure in Dirac Hamiltonians by short pulse irradiation — •Yuriko Baba, Alejandro Sebastián Gómez, Vanessa Junk, Francisco Domínguez-Adame, Rafael A. Molina, and Klaus Richter
10:45 O 23.2 The challenge of realizing Floquet effects in epitaxial graphene — •Leonard Weigl, Niklas Hofmann, Johannes Gradl, Peter Richter, Thomas Seyller, and Isabella Gierz
11:00 O 23.3 Subcycle time-resolved THz-ARPES of Bi2Te3 in two-dimensional momentum space — •Tim Bergmeier, Suguru Ito, Jens Güdde, and Ulrich Höfer
11:15 O 23.4 Nonperturbative Floquet-Landau-Zener Mechanism in Multiphoton Photoemission on Metal Surface — •Yun Yen, Marcel Reutzel, Andi Li, Hrvoje Petek, and Michael Schüler
11:30 O 23.5 Quantification of local electric fields in ultrafast photoemission experiments — •Marco Merboldt, Michael Schüler, David Schmitt, Jan Philipp Bange, Wiebke Bennecke, David Ramcke, Karun Gadge, Salvatore R. Manmana, Sabine Steil, G. S. Matthijs Jansen, Daniel Steil, Michael Sentef, Marcel Reutzel, and Stefan Mathias
11:45 O 23.6 Momentum transfer in the pondermotive potential of VIS/NIR laser pulses detected by time-resolved ARPES — •Christian Strüber, Xinwei Zheng, and Martin Weinelt
12:00 O 23.7 Three-dimensional electron dynamics in PtBi2Paulina Majchrzak, •Charlotte Sanders, Yu Zhang, Andrii Kuibarov, Oleksandr Suvorov, Emma Springate, Bernd Büchner, Alexander N. Yaresko, Sergey Borisenko, and Philip Hofmann
12:15 O 23.8 Efficient carrier multiplication in the topological insulator Bi2Se3 — •Michael Herb, Leonard Weigl, Niklas Hofmann, Johannes Gradl, Jason Khoury, Leslie Schoop, and Isabella Gierz
12:30 O 23.9 Doping-Induced Modulation of Charge Density Wave States in 1T-TaS2: Ultrafast Insights — •Jesumony Jayabalan, Florian K. Diekmann, Negar Najafianpour, Ping Zhou, Walter Schnelle, Martin Eckstein, Kai Rossnagel, and Uwe Bovensiepen
12:45 O 23.10 Sub-picosecond photo-induced local distortion reduction in Sb2Te chalcogenide phase-change material — •Zhipeng Huang, Xinxin Cheng, Hazem Daoud, Wen-Xiong Song, R. J. Dwayne Miller, Klaus Sokolowski-Tinten, and R. Kramer Campen
13:00 O 23.11 Ultrafast Electron-Phonon Scattering in Dirac AntiferromagnetsMarius Weber, •Kai Leckron, Bärbel Rethfeld, and Hans Christian Schneider
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