Ursula Keller wins “Swiss Nobel” Marcel Benoist Prize
Farewell: the NCCR MUST ended 
MUST2022 Conference
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New FAST-Fellow Uwe Thumm at ETH
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Hans Jakob Wörner invited to give the „New Horizons Solvay Lectures” 
Unusual keynote talk at an international scientific conference
NCCR MUST at Scientifica 2021Spin polarization and rotating hole dynamics induced by nonadiabatic tunneling in circularly polarized laser fields
| Date | Mo, 10.06.2013 | |
| Time | 16:45 | |
| Speaker | Ingo Barth, Max-Born Institut, Berlin | |
| Location | ETH Zurich, Hönggerberg Campus, HPF G-6 | |
| Program | Based on the gauge-invariant theory of strong-field nonadiabatic tunnel ionization for short range potentials developed by Perelomov, Popov, and Terent’ev (PPT) [1,2], we extended this theory successfully for non-relativistic atomic p orbitals in circularly polarized fields [3,4]. We showed that the valence atomic orbitals, in which the electrons initially rotate against the laser field, will be depleted more effective than for co-rotating electrons and that our theory and the experiment [5] are in very good agreement [6]. Motivated by the experimental work on real-time observation of hole dynamics of valence spin-orbitals [7], I will present the theory of nonadiabatic ionization of relativistic spin-orbitals in strong circularly polarized laser fields. I will show that for right or left circular polarization the ionization rates for all valence pj spin-orbitals are different and it leads to the controllable production of spin polarized photoelectrons and ions [8]. In addition, due to spin-orbit splitting between p3/2 and p1/2 spin-orbitals, there is rotating hole dynamics of valence spin-orbitals in ions that associates with generation of spin-orbit ring currents in ions [9]. Finally, some aspcets on kinetic energy spectra of photoelectrons and on Coulomb effects [10] will be also discussed. Host: Hans Jakob Wörner, Laboratorium für Physikalische Chemie, LPC |
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