Winter semester 2023/2024

Schedule:

24.10.2023	Prof. Dr. Yoram Dagan, Tel Aviv University Talk will be postponed
31.10.2023	Dr. Dominik Juraschek, Tel Aviv University "Chiral phononics: Controlling magnetic order with phonon angular momentum"
07.11.2023	Dr. Alexander von Hoegen, MIT "Non-thermal engineering of solid-state systems via THz driven collective modes"
21.11.2023	Dr. Johannes Voss, SLAC "Ultrafast K-edge spectral evolution of physi- and chemisorbed carbon species"
28.11.2023	Prof. Dr. Bärbel Rethfeld, RPTU Kaiserslautern-Landau "Non-equilibrium dynamics of laser-excited electrons in a metal"
09.01.2024	Internal CRC meeting
23.01.2024	Dr. Hamoon Hedayat, Universität zu Köln "Insights into non-equilibrium phase transitions: a study on 1T-TiSe2 using time-resolved Raman spectroscopy"

Summer semester 2023

Schedule:

09.05.2023	Dr. Johannes Feist, Universidad Autónoma de Madrid "Molecular polaritonics: Using cavities to modify material properties"
30.05.2023	Prof. Dr. Olga Smirnova, Max-Born-Institut Berlin "Ultrafast molecular chirality: a topological connection"
06.06.2023	Dr. Michael Lorke, Universität Bremen "Microscopic theory of nanoscaled optoelectronic devices"
20.06.2023	Prof. Dr. Klaus Jöns, Universität Paderborn "The Quest for the Ideal Quantum Light Source"
27.06.2023	Dr. Bayan Karimi, Aalto University and University of Helsinki "Ultrasensitive bolometry in quantum thermodynamics experiments"
04.07.2023	Dr. Rolf Heid, Karlsruhe Institute of Technology "Electron-phonon coupling phenomena in metals: A computational perspective" NB: The colloquium will take place at 12 pm!

Winter semester 2022/2023

Schedule:

25.10.2022	Prof. Dr. D. Christian Glattli, SPEC, CEA-Saclay, Université Paris-Saclay "Two-particle indistinguishability interferometry to probe the quantum coherence of anyons"
08.11.2022	Dr. Chris Nicholson, SPECS Nano Analysis GmbH "Ultrafast modulation of Rashba coupling in ferroelectric alpha-GeTe(111) observed through trARPES and  momentum microscopy"
22.11.2022	Prof. Dr. Karin Everschor-Sitte, Universität Duisburg-Essen "Introduction to Topology – An interactive meeting" NB: The colloquium will start at 10:00
20.12.2022	Dr. Philipp Stegmann, MIT "Hidden information in higher-order photon statistics"

Summer semester 2022

Schedule:

12.04.2022	Prof. Dr. Kenan Gundogdu, NC State University "Are High-Temperature Quantum Materials Possible?"
10.05.2022	Dr. Alexander Paarmann, Fritz Haber Institut Berlin "High-resolution phonon polariton mapping in real and momentum space"
17.05.2022	Prof. Dr. Peter Baum, Universität Konstanz "Seeing Atoms and Electrons in Space and Time"
31.05.2022	Prof. Dr. Claudia Draxl, HU Berlin "A theorist’s view on complex oxides"
08.06.2022	Prof. Dr. Christopher Jarzynski, University of Maryland "Scaling down the Laws of Thermodynamics" NB: This is a joint CRC and departement colloquium which takes online at 13:00
28.06.2022	Dr. Luca M. Ghiringhelli, HU Berlin "AI-Ready materials-science FAIR data: methods and infrastructure"
05.08.2022	Prof. Dr. Takeshi Suzuki, ISSP Tokio "HHG-laser-based time- and angle-resolved photoemission spectroscopy of quantum materials" NB: The colloquium will take place  at 14:00 in MG 272

Winter semester 2021/2022

Schedule:

19.10.2021	Prof. Dr. Christoph Lienau, Carl von Ossietzky Universität Oldenburg "Coherent ultrafast charge and energy transfer processes in nanostructures"
02.11.2021	Prof. Dr. Christoph Lange, TU Dortmund "Terahertz strong-field control  of solid-state excitations with subcycle precision"
09.11.2021	Prof. Dr. Pinshane Huang, University of Illinois "Imaging 2D materials to understand how they bend, stretch and twist" NB: The colloquium will take place at 4pm
07.12.2021	Nikolauskolloquium
14.12.2021	Prof. Dr. Hans Kroha, Universität Bonn "Multitemperature models -- why do they work?"
18.01.2022	Prof. Dr. Pernille Klarskov, Aarhus University "Discovering carrier dynamics on the nanoscale with subwavelength terahertz techniques"

Summer semester 2021

Schedule:

20.04.2021	Jun.-Prof. Dr. Doris Reiter, WWU Münster "Carrier capture dynamics in monolayers of transition metal dichalcogenides"
11.05.2021	Prof. Dr. Fabio Caruso, Universität Kiel "Nonequilibrium dynamics of crystals"
18.05.2021	Dr. Sakura Pascarelli, European XFEL "New scientific opportunities for studies of non-equilibrium dynamics at the European XFEL" NB: The colloquium will start at 10:30
08.06.2021	Prof. Dr. Wolf Widdra, Martin-Luther-Universität Halle-Wittenberg "NiO: Magnetic coupling and ultrafast electron dynamics in thin films"
15.06.2021	Prof. Dr. Rolf Haug, Leibniz Universität Hannover "Dynamics of single-electron tunneling in a.c.-driven quantum dots"
22.06.2021	Prof. Dr. Tim Lian, Emory University "Exciton Dynamics and Solar H2 Generation in Quantum Confined Nanoheterostructures" NB: The colloquium will start at 16:00

Winter semester 2020/2021

Schedule:

17.11.2020	Prof. Dr. Elena Hassinger, TU München "Multiphase superconductivity in CeRh2As2"
24.11.2020	Prof. Dr. Anne L'Huillier, Lund University "Attosecond pulses for capturing electron dynamics"
01.12.2020	Prof. Dr. Stefanie Gräfe, Friedrich-Schiller-Universität Jena "Plasmonic hybrid systems in external light fields: can we achieve sub-nanometer lateral resolution using near-field techniques?"
15.12.2020	Dr. Kathrin F. Domke, MPI für Polymerforschung Mainz "Molecular-scale insights into surface (electro)chemistry"
19.01.2021	Prof. Dr. Jens Biegert, The Barcelona Institute of Science and Technology "Energy Conversion Pathways in Graphite from Attosecond Soft X-ray Spectroscopy"
26.01.2021	Prof. Dr. Weitao Liu, Fudan University "Unconventional nonlinear optical responses from doped graphene"
02.02.2021	Prof. Dr. Stephan Kümmel, Universität Bayreuth "Studying energy- and charge transfer processes in real-time: A density functional perspective"
09.02.2021	Prof. Dr. Samir Lounis, FZ Jülich & UDE "Ultrafast magnetic phenomena at the nanoscale: from all-optical switching to zero-bias anomalies"

Summer semester 2020

Schedule:

28.04.2020	Prof. Dr. Miguel Marques, Universität Halle "Some applications of machine learning to solid-state physics"
19.05.2020	Daniela Zahn, Fritz-Haber Institut Berlin "Ultrafast lattice dynamics of 3d ferromagnets"
26.05.2020	Prof. Dr. Alexander Grüneis, Universität zu Köln "Electronic structure control in 2D matter"
02.06.2020	Prof. Dr. Nahid Talebi, Universität Kiel "Ultrafast Light-Induced Amplitude and Phase Modulations of Free-Electron Wavepackets"
23.06.2020	Prof. Dr. Foivos Perakis, Stockholm University "Capturing water’s structural dynamics: from seconds to femtoseconds"
25.06.2020	Prof. Dr. Matthias Fuchs, University of Nebraska-Lincoln "Next-Generation Source for Ultrafast Imaging" NB: The colloquium will take place at 4pm
30.06.2020	Prof. Dr. Renske van der Veen, University of Illinois "Transient lensing from an electron gas imaged by ultrafast electron microscopy" NB: The colloquium will take place at 4pm
07.07.2020	Prof. Dr. Peter Kraus, Vrije Universiteit Amsterdam "Ultrafast extreme-ultraviolet emission and excitations in solids"

 

Winter semester 2019/2020

Schedule:

05.11.2019	PD Dr. habil. Christoph Lange, Universität Regensburg "Subcycle THz control of electronic charges, spins, and photons"
06.12.2019	Nikolauskolloquium NB: The colloquium will exceptionally take place in front of MC 122 at 15:00
10.12.2019	Prof. Dr. Janez Bonča, University of Ljubljana "Spectral Function of the Holstein Polaron at Finite Temperature"
17.12.2019	Prof. Dr. André Schleife, University of Illinois "Electronic excitations: Optical properties, femto-second dynamics, and materials selection"
21.01.2020	Prof. Dr. Benjamin Dietzek, Friedrich-Schiller-Universität Jena "Ultrafast photoinduced dynamics in hetero-bimetallic complexes"
24.01.2020	Dr. Nicolas Tancogne-Dejean, MPI Hamburg "Light-induced modification of Hubbard U in a strongly correlated materials: Insights from ab initio simulations" NB: The colloquium will exceptionally take place in MC 351 at 12:00
28.01.2020	Prof. Dr. Hans Jakob Wörner, ETH Zürich "Attosecond soft-X-ray spectroscopy in the gas and liquid phases"

 

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"

 

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"

 

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"

 

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"

 

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"

 

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"

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"