NAWI Physics Doctoral Seminar 2009/2010


Tuesday 13 October 2009      New York

16:50 - 17:20

- -Mag. Debabrata Deb , jcqWMhsANktzsMIcxD

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Video: http://97397


Tuesday 03 November 2009      New York

16:10 - 17:25

Ralf Gamillscheg, tvptxoaWlNBqpchwzbA

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Video: http://792677


Tuesday 10 November 2009      New York

16:35 - 17:05

Mag. Jörg Weingrill, TcAgNISlmhsPR

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Tuesday 01 December 2009      New York

16:05 - 17:05

Hannes Gröller, MSc, Space Research Institute, Austrian Academy of Sciences, hGczUIBAiFvDFl

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Video: http://809912


Tuesday 15 December 2009      New York

16:20 - 17:30

Mag. Sibylle Gratt, hKOOPmZVTTJ

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Video: http://8318


Tuesday 23 March 2010      New York

16:40 - 17:15

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Video: http://503879


Tuesday 27 April 2010      KFU Graz, Hoersaal 05.12

15:45 - 16:45

Small scale magnetic fields in the solar photosphere
Dominik Utz

The Sun is, by means of its closeness, the only star on which we can investigate spatially resolved surface and atmsopheric details. The dynamics of the solar atmosphere are caused by magnetic fields and the interaction between magnetic fields and the local plasma. It is of stron ... more


Tuesday 04 May 2010      TU Graz, Seminarraum PH011150

16:00 - 17:00

From quarks and gluons to mesons - the Bethe-Salpeter equation in QCD
Martina Blank, University of Graz

The hadrons which make up ordinary matter (protons and neutrons) can be described as bound states of quarks and gluons, the fundamental fields of Quantum Chromodynamics (QCD). Protons and neutrons are baryons, consisting mainly of 3 quarks. This talk focuses on another particular ... more


Tuesday 11 May 2010      TU Graz, Seminarraum PH011150

16:00 - 17:00

Simulation of High Temperature Superconducting Cuprates
Anna Fulterer, Institute of Theoretical and Computational Physics, Graz University of Technology

High Temperature Superconductors can transport charge carriers with zero loss. This offers a whole new variety of possibilities, e.g. efficient transport of electric energy or creation of strong magnetic fields (fusion experiments and applications in medicine).
However, th ... more


Tuesday 18 May 2010      KFU Graz, Hoersaal 05.12

15:00 - 16:00

Quantum phase transition, spectral signatures and polaritonic properties of coupled cavity arrays
Michael Knap, Institute of Theoretical and Computational Physics, Graz University of Technology

The enormous progress in controlling quantum optical and atomic systems has prompted ideas for new experimental realizations of strongly-correlated many body systems operating with light. These systems consist of photons confined in optical cavities, which interact strongly with ... more

16:00 - 17:00

Non-perturbative electron-positron pair production from vacuum
Florian Hebenstreit, University Graz

Quantum electrodynamics (QED) is one of the best-tested theories of physics, especially the perturbative regime (e.g. anomalous magnetic moment). However, there is another regime where an perturbative expansion is not possible. This regime of QED has not fully been explored yet b ... more


Tuesday 25 May 2010      TU Graz, Seminarraum PH011150

16:00 - 18:00

Nanoanalytical investigations of an organic photodiode
Stefanie Fladischer, Institute for Electron Microscopy, Graz University of Technology

Optochemical sensors find a huge number of applications with a great industrial demand. A typical organic optochemical sensor is composed of an organic light emitting device (OLED) as the light source and an organic photodiode (OPD) as the detection unit.
In this talk the ... more


Tuesday 01 June 2010      KFU Graz, Hoersaal 05.12

15:00 - 16:00

New dynamic characterizing method for micro filtration membranes
Herbert Reingruber

Most methods for the characterization of porous membranes yield macroscopic parameters for the description of the respective materials. Only very rarely do they provide information about the transport of fluids in membranes on a µm-scale. In this work a new microscopic method fo ... more

16:00 - 18:00

A relativistic coupled-channel formalism for electromagnetic form factors of 2-body bound states
Elmar P. Biernat

I present a formalism for the calculation of electromagnetic form factors of bound states consisting of two spin-1/2 constituents with equal masses. Our approach is formulated within the framework of relativistic point-form quantum mechanics. The dynamics of the exchanged photon ... more


Tuesday 08 June 2010      TU Graz, Seminarraum PH011150

16:00 - 17:00

Surface Structure and Dynamics by Helium Atom Scattering
Anton Tamtögl, Institute of Experimental Physics, Graz University of Technology

Helium atom scattering (HAS) provides a gentle and uniquely sensitive probe of surface structure and dynamics. Using helium atoms to probe a surface is truly non-destructive to the sample and a completely inert investigation method. After having set up a new helium atom scatterin ... more


Tuesday 15 June 2010      New York

16:50 - 17:15

Moritz Theisen, Institute of Experimental Physics, Graz University of Technology, zOMkodozRv

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Video: http://25883


Tuesday 22 June 2010      New York

15:00 - 16:00

Chemisorption-driven reversible property tuning of nanophase metals and metal oxides
Thomas Traußnig, Institute of Materials Physics/TU Graz

Charge- or electrical field-induced tuning of materials properties is usually restricted to non-metals such as semiconductors and piezoelectric ceramics. It could be shown recently that such a tuning can also be achieved with metals when the limits associated with the efficient e ... more

16:10 - 17:10

Arno Meingast, rLPGJyLfgYetI

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Video: http://4260


Tuesday 29 June 2010      New York

15:05 - 16:30

Harald Reschab, PWsqNOBXwO

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Video: http://8875


Tuesday 29 June 2010      KFU Graz, Hoersaal 05.12

16:00 - 16:45

The influence of nanometric surface morphology on surface plasmon resonances and surface enhanced effects (SERS) of metal nanoparticles
Jean-Claude Tinguely, Institute of Physics, Nano-optics group, Karl-Franzens University

Abstract: Plasmonics is a booming field with numerous applications ranging from optical data processing over negative-refraction materials to bio-sensors. Concerning better tuning and understanding of the plasmonic effect, two major roadblocks deserve a deeper study: 1. the stron ... more