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We present a review of wave packet dynamics in different systems and stress their relation to information on the ultrafast structural changes. We show how dynamical information is obtained from ultrafast optical pump-probe studies on structural changes in isolated molecular systems, before moving to complex systems, such as pure and doped solids, and biological systems. We end with a presentation of new developments in structural dynamics, which are based on the pump-probe scheme, using as probe ultrashort pulses of electron or X-rays. As detection methods, electron or X-ray diffraction or X-ray absorption spectroscopies are discussed.
Yiming Li, Yi Zhang, Marianne Liebi, Vitor Silva, Zhongwen Yao
Christoph Bostedt, Jun Wang, Zhaoheng Guo, Xiang Li, Siqi Li, Zhen Zhang