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Quantum Simulation Meets Nonequilibrium Dynamical Mean Field Theory: Exploring the Periodically Driven, Strongly Correlated Fermi-Hubbard Model

arXiv

Authors: Kilian Sandholzer, Yuta Murakami, Frederik Görg, Joaquín Minguzzi, Michael Messer, Rémi Desbuquois, Martin Eckstein, Philipp Werner, Tilman Esslinger

Year

2018

Paper ID

22998

Status

Preprint

Abstract Read

~2 min

Abstract Words

105

Citations

N/A

Abstract

We perform an ab-initio comparison between nonequilibrium dynamical mean-field theory and optical lattice experiments by studying the time evolution of double occupations in the periodically driven Fermi-Hubbard model. For off-resonant driving, the range of validity of a description in terms of an effective static Hamiltonian is determined and its breakdown due to energy absorption close to resonance is demonstrated. For near-resonant driving, we investigate the response to a change in driving amplitude and discover an asymmetric excitation spectrum with respect to the detuning. In general, we find good agreement between experiment and theory, which cross-validates the experimental and numerical approaches in a strongly-correlated nonequilibrium system.

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We perform an ab-initio comparison between nonequilibrium dynamical mean-field theory and optical lattice experiments by studying the time evolution of double occupations in...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1811.12826 [2] arXiv https://arxiv.org/abs/1811.12826 [3] Publisher https://arxiv.org/abs/1811.12826

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