Year: 2025
Type: article
Abstract: We analyze the relaxation dynamics in an open system, composed by a quantum gas of bosons in a lattice interacting via both contact and global interactions. We report the onset of periodic oscillations of the atomic coherences exhibiting hallmarks of synchronization after a quantum quench. The dynamical behavior exhibits the many-body collapse and revival of atomic coherences and emerges from the interplay of the quantum dissipative nature of the cavity field and the presence of a (approximate) strong symmetry in the dissipative system. We further show that the approximate symmetry can dynamically self-organize. We argue that the approximate symmetry can be tailored to obtain long-lived coherences. These insights provide a general recipe to engineer the dynamics of globally interacting systems.
Source: Physical Review Letters
Institutions: University of Geneva, University of Bonn, Saarland University
Language: English
Subfield: Atomic and Molecular Physics, and Optics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
Awards: G1750626284, G1763245312, TRR 185: OSCAR Kontrolle atomarer und photonischer Quantenmaterie durch maßgeschneiderte Kopplung an Reservoire, G3356704239, Low dimensional quantum fluids, G4620633122, SFB 1238: Kontrolle und Dynamik von Quantenmaterialien, G5599649393, Low dimensional quantum fluids, G628552264, TRR 306: Quantenkooperativität von Licht und Materie – QuCoLiMa, Kavli Institute for Theoretical Physics, G7722004180, EXC 2004: Materie und Licht für Quanteninformation (ML4Q), Kavli Institute for Theoretical Physics
OpenAlex ID: W4407841300