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X-ray free electron laser; strong correlation; complex materials; superconductivity; X-ray diffraction; ultrafast X-rays
Abstract:
Strong interactions between electrons give rise to the complexity of quantum materials, which exhibit exotic functional properties and extreme susceptibility to external perturbations. A growing research trend involves the study of these materials away from equilibrium, especially in cases in which the stimulation with optical pulses can coherently enhance cooperative orders. Time-resolved X-ray probes are integral to this type of research, as they can be used to track atomic and electronic structures as they evolve on ultrafast timescales. Here, we review a series of recent experiments where femtosecond X-ray diffraction was used to measure dynamics of complex solids.
This article is part of the theme issue ‘Measurement of ultrafast electronic and structural dynamics with X-rays’.
