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ALS EXPERIMENTAL SYSTEMS GROUP : : BEAMLINES 6.0.1 AND 6.0.2/ULTRAFAST X-RAY SCIENCE

Introduction

Atomic Structural Dynamics

atomic vibrational period: Tvib ~ 100 fs
  • Ultrafast chemical reactions
  • Ultrafast phase transitions

Electronic Structural Dynamics

electron-phonon interaction ~ 1 ps
e-e scattering ~10 fs
  • Charge transfer
  • Correlated electron systems
  • Colossal Magneto-Resistance

Ultrafast Measurements: observe chemical reaction or phase transition in real time.

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