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 Karl Franzens University Graz

Graz University of Technology 

TUG/KFU Physics Colloquium Winter 2021

 

Tuesday 05 October 2021      TUG hybrid event: lecture hall P2 / Webex


16:15 - 17:15

Controlling the functional properties of ferroelectrics by multidimensional defects
Jurij Koruza, Graz University of Technology

Ferroelectric materials are widely used as capacitors, sensors, actuators or transducers, which enable a range of modern technologies in microrobotics, consumer electronics, autonomous vehicles, medicine, and other fields [1]. Their dielectric and electromechanical properties are ... more
Video: https://tugraz.webex.com/meet/p.hadley

 

Tuesday 12 October 2021      KFU - online presentation


16:15 - 17:15

Optical quantum computing
Ulrik Lund Andersen, Technical University of Denmark

Quantum computing can be realized with numerous different hardware platforms and using different computational protocols. One highly promising strategy to foster scalability is to use a photonic platform combined with a measurement-induced quantum processing protocol where the co ... more
Video: https://us02web.zoom.us/j/84543422155

 

Tuesday 19 October 2021      TUG hybrid event: lecture hall P2 / Webex


16:15 - 17:15

Collagen - the glue holding our bodies together
Philipp J. Thurner, Institute of Lightweight Design and Structural Biomechanics, TU Wien

Biological tissues with passive mechanical function in the human body are generally rich in collagen. Collagens provide both stiffness and toughness. Macroscopically, relationships between tissue-structure, composition and mechanical function have been explored, but comparatively ... more
Video: https://tugraz.webex.com/meet/p.hadley

 

Tuesday 09 November 2021      KFU - Online (Zoom; link in the abstract)


16:15 - 17:15

Coherent light-sound interactions in waveguide structures
Birgit Stiller, Max Planck Institute for the Science of Light
https://us02web.zoom.us/j/83703088651

Despite their different nature, optical waves and acoustic vibrations can couple efficiently through the effects of electrostriction, photo-elastic effect and radiation pressure. These phenomena enable the creation and annihilation of sound waves and have a wide range of applicat ... more
Video: https://us02web.zoom.us/j/83703088651

 

Tuesday 16 November 2021      TUG - online


16:15 - 17:15

Field-resolved microscopy: true time-domain views of light-matter interaction
Nicholas Karpowicz , CNR Nanotec, Lecce / MPQ Garching

When charged particles move, they inscribe a history of their motion into an electromagnetic field, which carries it away from the origin. Recording various aspects of this light has been one of our main ways of investigating the fundamentals of nature for centuries, but directly ... more
Video: https://tugraz.webex.com/meet/schultze

 

Tuesday 23 November 2021      KFU - Online (Zoom; link in the abstract)


16:15 - 17:15

Stellar Insights - Sounding the structure and evolution of stars like the Sun with Asteroseismology
Paul Beck, University of Graz
https://us02web.zoom.us/j/86971915652

Asteroseismology is a powerful tool to study structure and dynamics of the stellar interior as well as their evolution. Such analysis can be done for thousands of stars in differing evolutionary stages from data of unprecedented photometric quality, provided by the NASA Kepler sp ... more

 

Tuesday 30 November 2021      TUG - online

16:15 - 17:15

Approximating functions, functionals and operators with neural networks for diverse applications
George Em Karniadakis, Brown University, USA

We will review physics-informed neural network and summarize available extensions for applications in computational mechanics and beyond. We will also introduce new NNs that learn functionals and nonlinear operators from functions and corresponding responses for system identifica ... more
Video: https://tugraz.webex.com/meet/ranftl

 

Tuesday 14 December 2021      TUG


16:15 - 17:15

Optimal states of light in disordered media: indestructible light beams and maximum information states
Stefan Rotter, Vienna University of Technology
https://rottergroup.itp.tuwien.ac.at

Optimal states of light in disordered media: indestructible light beams and maximum information states Abstract: In my talk I will present recent advances in designing tailor-made states of light with optimal properties in scattering across highly disordered media. First, I ... more
Video: https://tugraz.webex.com/meet/schultze

 

Tuesday 11 January 2022      KFU


16:15 - 17:15

Free-electron wavepackets interacting with light
Nahid Talebi, Institute for Experimental and Applied Physics, Kiel University

Recent advances in electron-beam science have pushed a new era for nanooptics, by merging laser and electron beam spectroscopies in a single apparatus. This new domain, the so-called photon-induced near-field electron microscopy [1], concerns quantum-mechanical electron-light int ... more
Video: https://us02web.zoom.us/j/81869672531

 

Tuesday 18 January 2022      KFU


16:15 - 17:15

What’s in a shadow? Past, Present and Future of Black Hole Imaging
Prof. Heino Falcke, Radboud University Nijmegen

The inside of black holes is shielded from observations by an event horizon, a virtual one-way membrane through which matter, light and information can enter but never leave. This loss of information, however, contradicts some basic tenets of quantum physics. Does such an event h ... more
Video: https://us02web.zoom.us/j/84724368262

 

Tuesday 25 January 2022      TUG


16:15 - 17:15

Spotlight on (Chiral) Molecular Excitons in Squaraine Thin Films
Manuela Schiek, Johannes Kepler Universität Linz, LIOS & ZONA

Here, the material system of choice to study structure-correlated excitonic properties are anilino squaraine dyes. Their donor-acceptor-donor type pi-conjugated backbone allows for intense interactions with visible light and carries the transition dipole moment. Terminal groups a ... more
Video: https://tugraz.webex.com/meet/markus.koch