Dynamics of Ultracold Quantum Gases in the Dissipative Fermi-Hubbard Model

TL;DR

This study investigates the dynamics of ultracold fermionic gases in a dissipative lattice model, revealing loss suppression due to entangled state formation, with implications for quantum control and precision measurements.

Contribution

It provides experimental and theoretical evidence of loss suppression and entangled state formation in the dissipative Fermi-Hubbard model, demonstrating robustness across conditions.

Findings

Complete inhibition of two-body losses observed

Formation of highly entangled Dicke states confirmed

Universal dynamics across different lattice depths and spin components

Abstract

We employ metastable ultracold $^{173}$Yb atoms to study dynamics in the 1D dissipative Fermi-Hubbard model experimentally and theoretically, and observe a complete inhibition of two-body losses after initial fast transient dynamics. We attribute the suppression of particle loss to the dynamical generation of a highly entangled Dicke state. For several lattice depths and for two- and six-spin component mixtures we find very similar dynamics, showing that the creation of strongly correlated states is a robust and universal phenomenon. This offers interesting opportunities for precision measurements.