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P: Fachverband Plasmaphysik

P 28: Laser Plasmas II

P 28.2: Vortrag

Donnerstag, 5. März 2015, 16:45–17:00, HZO 50

Thomson Scattering from Warm Dense Matter — •Mohammed Shihab1,2, Kai-Uwe Plagemann1, Hannes R. Rüter1, Thomas Bornath1, Wolf-Dietrich Kraeft1, Carsten Fortmann3, Siegfried H. Glenzer4, and Roland Redmer11Institut für Physik, Universität Rostock, Germany. — 2Physics Department, Tanta University, Egypt. — 3Quantumwise A/S, DK-2100 Copenhagen, Denmark. — 4SLAC, Menlo Park, CA 94025, USA.

Thomson scattering is a promising tool to infer warm dense matter (WDM) properties [1]. WDM is characterized by densities near to solid-density up to compressed matter well above solid-density and electron temperatures of several electron volts. In this plasma region, the transition from ideal plasmas to degenerate and strongly coupled plasmas occurs. Accurate measurements of plasma temperature and densities and rigorous understanding of correlations and quantum effects are of great importance for modelling laser-shock and inertial confinement fusion experiments. Free electron lasers such as FLASH (Hamburg) or LCLS (Stanford) provide high-brilliance and coherent radiation sources that allow to resolve the ultra-short time kinetics of WDM in pump-probe experiments. For instance, collective x-ray Thomson scattering yields information on the density, temperature, and the ionization balance of WDM [2]. In this contribution we will highlight the theoretical basis of Thomson scattering and propose new experiments that can be performed at FLASH, LCLS or the future European XFEL in Hamburg. [1] Glenzer S.H. and Redmer R., Rev. Mod. Phys. 81 1625(2009) [2] Glenzer et.al., Phys. Rev. Lett. 98 065002(2007)

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