8 May 2018 Nonresonant pump/probe electronic Raman scattering within nonequilibrium dynamical mean-field theory
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Abstract
We develop the theory for nonresonant Raman scattering of strongly correlated electrons in time-resolved pump- probe experiments. The electrons are initially pumped with an intense pulse of light and then a probe pulse measures the Raman response function after an adjustable time delay. We describe how the width of the probe pulse and the strength of the electron correlations affect the Raman cross section. The theory is developed for the case of B1g symmetry, where incident and scattered light are polarized perpendicular to each other. We illustrate the exact solution with the Falicov-Kimball model, which is solved via nonequilibrium dynamical mean-field theory.
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J. K. Freericks, O. P. Matveev, A. M. Shvaika, T. P. Devereaux, "Nonresonant pump/probe electronic Raman scattering within nonequilibrium dynamical mean-field theory", Proc. SPIE 10638, Ultrafast Bandgap Photonics III, 1063807 (8 May 2018); doi: 10.1117/12.2305103; https://doi.org/10.1117/12.2305103
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