The Colloquium is scheduled tuesdays from 10:00 - 12:00 in room MG 272

The colloquium started in 2016 and is coordinated by Prof. Dr. Björn Sothmann.

Summer semester 2019 schedule:

23.04.2019 Dr. Stephan Winnerl, HZ Dresden-Rossendorf
"Unusual Coulomb effects in graphene"

30.04.2019 Dr. Roman Adam, FZ Jülich
"JuSPARC: The new broad-band photon source for exploration of femtosecond spin dynamics"

07.05.2019 Prof. Dr. Poul B. Petersen, Ruhr-Universität Bochum
"Giving Infrared Spectroscopy a Boost: New Methods for Studying Interfaces, Chirality, Vibrational Energy Transfer Across the Spectrum, and Proton Transfer Reactions"

14.05.2019 Gerald Rohde, Christian-Albrechts-Universität zu Kiel
"Decoding the Ultrafast Formation of a Fermi-Dirac Distributed Electron Gas"
NB: The colloquium will exceptionally take place in MD 349

28.05.2019 Prof. Dr. Hans Christian Schneider, TU Kaiserslautern
"Hot-Electron Transport and All-Optical Switching in Ferromagnets"

18.06.2019 Prof. Dr. Cesare Franchini, University Vienna
"Computational Quantum Materials: Protocols & Examples"

05.07.2019 Prof. Dr. Eberhard Groß, MPI Halle
"Potential Energy Surfaces and Berry Phases beyond the Born-Oppenheimer Approximation"

09.07.2019 Dr. Fabian Langer, Lund University
"Lightwave electronics: Crystal electrons controlled by the electric field of light"

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Winter semester 2018/2019 schedule:

23.10.2018 Prof. Dr. Tim Davis , University of Melbourne
"Surface Plasmon Vortices"

27.11.2018 Prof. Dr. Caterina Cocchi, HU Berlin
"Light-matter interaction from first principles in the linear regime and beyond"

04.12.2018 Prof. Dr. Matthias Wuttig, RWTH Aachen
"Phase Change Materials by Design: Taming Bond No. 6"

06.12.2018 Dr. E. Laine Wong, Okinawa Institute of Science and Technology
"Ultrafast spatiotemporal control of photocarriers in doped semiconductors"

11.12.2018 Nikolauskolloquium

08.01.2019 Dr. Evgeny Gorelov, European XFEL Hamburg
"Strongly correlated materials in intense laser fields: nonequilibrium DMFT approach"

15.01.2019 Dr. Isabella Gierz, MPSD Hamburg
"Band structure engineering with tailored light fields"

29.01.2019 Prof. Dr. Jure Demsar, University of Mainz
"Femtosecond carrier relaxation dynamics probed by broadband optical time-resolved spectroscopy"

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Summer semester 2018 schedule:

27.03.2018 Prof. Dr. Luca Perfetti, Ecole Polytechnique
"Time resolved photoelectron spectroscopy of quantum materials"

10.04.2018 Prof. Dr. Heinrich Schwörer, MPI Hamburg
"Ultrafast structural dynamics in an organic molecular crystal"

17.04.2018 Prof. Dr. Siva Umapathy, Indian Institute of Science Bangalore
"Laser spectroscopy applications from ultrafast dynamics to biomedicine"

03.05.2018 Shawn Greig, University of Alberta
"Ultrafast control and tailoring of surface plasmon generated electron pulses"

24.05.2018 Prof. Dr. Arianna Gleason-Holbrook, SLAC
"Ultrafast X-ray studies and non-equilibrium transformation pathways in geophysical materials"

29.05.2018 Prof. Dr. Peter Oppeneer, Uppsala University
"Theory of out-of-equilibrium electron and lattice dynamics in laser-excited solids"

05.06.2018 Jun.-Prof. Dr. Kristina Tschulik, Ruhr-Universität Bochum
"New concepts in Nano-Electrochemistry - From large ensembles to single particle studies"

12.06.2018 Prof. Dr. Robin Steinigeweg, Universität Osnabrück
"Dynamical Quantum Typicality: Concept and Applications"

19.06.2018 Dr. Laurenz Rettig, FHI Berlin
"Fundamental couplings in strongly correlated materials investigated by complementary time-domain techniques"

03.07.2018 Dr. Michael Gensch, Helmholtz-Zentrum Dresden-Rossendorf
"A (superradiant) terahertz-view on low energy excitations in matter"

10.07.2018 Prof. Dr. Sascha Schäfer, University of Oldenburg
"Ultrafast nanoscale dynamics mapped by ultrashort electron pulses"

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Winter semester 2017/2018 schedule:

07.11.2017 Dr. Sangeeta Sharma, MPI Halle
"Time-dependent density functional theory: linear response (excitons)
and beyond (all-optical switching)"

14.11.2017 Dr. Michael Woerner, MBI Berlin
"Nonlinear softmode dynamics studied by 2D terahertz spectroscopy and femtosecond x-ray diffraction"

5.12.2017 Dr. Zala Lenarčič, University of Cologne
"Nonequilibrium properties of Mott insulators"

19.12.2017 Christian Vorwerk, Humboldt University of Berlin
"X-ray Absorption and Scattering Spectroscopy in Solids from Many-Body Perturbation Theory"

16.01.2018 Prof. Dr. Paul H. M. van Loosdrecht, University of Cologne
"Ultrafast Raman Scattering in Complex Matter: New Views on Non-Equilibrium Dynamics"

23.01.2018 Dr. Denis Golež, Université de Fribourg
"Relaxation dynamics in strongly correlated materials - from models to materials"

30.01.2018 Dr. Michael Fechner, MPSD Hamburg
"Magnetophononics: ultrafast spin control through the lattice"

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Summer semester 2017 schedule:

25.07.2017 Prof. Dr. Philip Hofmann, Aarhus University
"Electronics Structures and Electron Dynamics in Two-Dimensional Dirac Materials"

18.07.2017 Dr. Elisabeth Gruber, TU Wien
"Ultrafast electronic response of graphene to the strong and localized electric field of a highly charged ion"

11.07.2017 Dr. Anja Gerlmaier, Institut Arbeit und Qualifikation, Universität Duisburg-Essen
"Psychische Belastungen und Stress bei hoch qualifizierter Wissensarbeit: das Präventionskonzept In-Balance! an der UDE"

27.06.2017 Prof. Dr. Stefan Kehrein, Universität Göttingen
"Reversibility and Irreversibility in Quantum Many-Body Systems"

20.06.2017 Prof. A. Zheltikov, Moskau University
"Ultrafast nonlinear optics in the mid-infrared: from laser filaments to electron wave-packet dynamics in solids"

30.05.2017 PD Dr. Torsten Siebert, Max-Born-Institut , Berlin
"Electric fields at biomolecular interfaces: ultrafast fluctuations in nanostructured environments"

23.05.2017 Prof. Dr. Martin Wenderoth, Univerity of Göttingen
"Charge dynamics at semiconductor surfaces investigated by time resolved Scanning Tunneling Microscopy"

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Winter semester 2016/2017 schedule:

31.01.2017 Dr. Sebastian Loth, MPI Hamburg
"Charge and spin dynamics of atoms studied with ultrafast
scanning tunneling microscopy"

13.12.2016 Prof. Dr. Hans Christian Schneider, University of Kaiserslautern
"Spin and Magnetization Dynamics due to Spin-Orbit Coupling and Electron-Phonon Scattering"

29.11.2016 Dr. Stefan Krause, University of Hamburg
"High Frequency Magnetization Dynamics of Individual Atomic-Scale Magnets"

08.11.2016  Prof. Dr. Markus Gühr, University of Potsdam
"Selective experiments on electronic and nuclear degrees of freedom in molecular dynamics"

26.10.2016 Prof. Dr. Michael Tringides, Iowa State University, Ames Laboratory, USA
"Collective, multi-atom diffusion in epitaxial metallic film"

25.10.2016 Prof. Dr. Fulvio Parmigiani, University of Trieste
"Non-equilibrium electronic structure of graphene and graphite: a non-linear and time-resolved ARPES study"

18.10.2016 Dr. Guoping Zhang, Indiana State University
"Femtomagnetism: Laser-induced ultrafast demagnetization and all-optical spin switching"

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Summer semester 2016 schedule:

12.07.2016 Dr. Ljupka Stojčevska Malbašić, University of Duisburg-Essen
"Ultrafast switching to a metastable hidden quantum state in 1 T-TaS₂ dichalcogenide"

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