Coherent many-body micromotion in driven interacting electron systems

Coherent charge carrier motion under strong laser fields has recently emerged as a pathway to dynamically control quantum materials. Applications to strongly correlated electron systems are particularly interesting owing to their sensitivity to external perturbations. Here, we report light-driven coherent many-body charge carrier motion in a prototypical square-lattice cuprate Mott antiferromagnet using time-resolved Raman spectroscopy. Upon sub-gap driving, we observe coherent quasi-particle excitations with temporal dynamics and polarization dependences that are distinct from the photo-doping case. These features are well captured by a light-driven Hubbard model with the Hartree-Fock approximation. The influence of these coherent quasi-particle excitations on other collective modes in the material will be discussed.