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Dresden 2017 – wissenschaftliches Programm

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DF: Fachverband Dielektrische Festkörper

DF 10: Focus: Spatio-Temporal Multiscale Optical Spectroscopy Meets Functional Materials
(DF with O, CPP)

DF 10.4: Topical Talk

Mittwoch, 22. März 2017, 11:10–11:40, GER 37

Theoretical simulations of pump-probe spectroscopies in solids — •Michael Sentef — Max Planck Institute for the Structure and Dynamics of Matter, Hamburg

In this talk I will discuss recent progress of theoretical simulations of the nonequilibrium dynamics following laser excitations on femtosecond time scales. I will show two examples: (i) the nonequilibrium dynamics following laser stimulation in a cuprate high-Tc superconductor, where an electron-boson dissipation pathway could be identified in a theoretical-experimental collaboration [1,2,3]; and (ii) the proposed generation of Floquet states in solids with the prospect of engineering effective Hamiltonians [4,5]. I will use this to discuss different theoretical approaches to the nonequilibrium many-body problem - from models to materials - and the future opportunities they offer for the field of pump-probe spectroscopies.

[1] M. A. Sentef et al., Phys. Rev. X 3, 041033 (2013)

[2] A. F. Kemper et al., Phys. Rev. B 90, 075126 (2014)

[3] J. D. Rameau et al., arXiv:1505.07055 → Nature Communcations

[4] M. A. Sentef et al., Nature Communications 6, 7047 (2015)

[5] H. Hübener et al., arXiv:1604.03399 → Nature Communications

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