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

Sandholzer K, Murakami Y, Görg F, Minguzzi J, Messer M, Desbuquois R, Eckstein M, Werner P, Esslinger T (2019)

Publication Type: Journal article

Publication year: 2019

Journal

Physical Review Letters American Physical Society

Book Volume: 123

Article Number: 193602

Journal Issue: 19

DOI: 10.1103/PhysRevLett.123.193602

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.

Authors with CRIS profile

Martin Eckstein Lehrstuhl für Theoretische Festkörperphysik

Involved external institutions

Eidgenössische Technische Hochschule Zürich (ETHZ) / Swiss Federal Institute of Technology in Zurich CH Switzerland (CH) University of Fribourg / Universitè de Fribourg CH Switzerland (CH)

How to cite

APA:

Sandholzer, K., Murakami, Y., Görg, F., Minguzzi, J., Messer, M., Desbuquois, R.,... Esslinger, T. (2019). Quantum Simulation Meets Nonequilibrium Dynamical Mean-Field Theory: Exploring the Periodically Driven, Strongly Correlated Fermi-Hubbard Model. Physical Review Letters, 123(19). https://doi.org/10.1103/PhysRevLett.123.193602

MLA:

Sandholzer, Kilian, et al. "Quantum Simulation Meets Nonequilibrium Dynamical Mean-Field Theory: Exploring the Periodically Driven, Strongly Correlated Fermi-Hubbard Model." Physical Review Letters 123.19 (2019).

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