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High-Harmonic Generation in Mott Insulators
Yuta Murakami, Martin Eckstein, Philipp Werner
Using Floquet dynamical mean-field theory, we study the high-harmonic generation in the time-periodic steady states of wide-gap Mott insulators under AC driving. In the strong-fiel…
Floquet prethermalization in the resonantly driven Hubbard model
Andreas Herrmann, Yuta Murakami, Martin Eckstein +1
We demonstrate the existence of long-lived prethermalized states in the Mott insulating Hubbard model driven by periodic electric fields. These states, which also exist in the reso…
Photo-induced enhancement of excitonic order
Yuta Murakami, Denis Golež, Martin Eckstein +1
We study the dynamics of excitonic insulators coupled to phonons. Without phonon couplings, the linear response is given by the damped amplitude oscillations of the order parameter…
Probing the fluctuations of the optical properties in time-resolved spectroscopy
Francesco Randi, Martina Esposito, Francesca Giusti +4
We show that, in optical pump-probe experiments on bulk samples, the statistical distribution of the intensity of ultrashort light pulses after the interaction with a nonequilibriu…
Hund's coupling driven photo-carrier relaxation in the two-band Mott insulator
Hugo U. R. Strand, Denis Golež, Martin Eckstein +1
We study the relaxation dynamics of photo-carriers in the paramagnetic Mott insulating phase of the half-filled two-band Hubbard model. Using nonequilibrium dynamical mean field th…
Two-channel Kondo physics in a periodically driven single-impurity Anderson model
Martin Eckstein, Philipp Werner
We investigate a quantum dot (Anderson impurity) coupled to metallic leads, with a time-periodic voltage bias across the device. Using a time-dependent Schrieffer-Wolff transformat…