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Quantum Fluctuation Dynamics of Dispersive Superradiant Pulses in a Hybrid Light-Matter System
Kevin Stitely, Fabian Finger, Rodrigo Rosa-Medina +5
We consider theoretically a driven-dissipative quantum many-body system consisting of an atomic ensemble in a single-mode optical cavity as described by the open Tavis-Cummings mod…
Multimode-polariton superradiance via Floquet engineering
Christian Høj Johansen, Johannes Lang, Andrea Morales +3
We consider an ensemble of ultracold bosonic atoms within a near-planar cavity, driven by a far detuned laser whose phase is modulated at a frequency comparable to the transverse c…
Experimental determination of irreversible entropy production in out-of-equilibrium mesoscopic quantum systems
M. Brunelli, L. Fusco, R. Landig +9
By making use of a recently proposed framework for the inference of thermodynamic irreversibility in bosonic quantum systems, we experimentally measure and characterize the entropy…
Real-time observation of fluctuations at the driven-dissipative Dicke phase transition
Ferdinand Brennecke, Rafael Mottl, Kristian Baumann +3
We experimentally study the influence of dissipation on the driven Dicke quantum phase transition, realized by coupling external degrees of freedom of a Bose-Einstein condensate to…
Sideband Cooling Micromechanical Motion to the Quantum Ground State
J. D. Teufel, T. Donner, Dale Li +7
The advent of laser cooling techniques revolutionized the study of many atomic-scale systems. This has fueled progress towards quantum computers by preparing trapped ions in their…
Dynamical Coupling between a Bose-Einstein Condensate and a Cavity Optical Lattice
Stephan Ritter, Ferdinand Brennecke, Kristian Baumann +3
A Bose-Einstein condensate is dispersively coupled to a single mode of an ultra-high finesse optical cavity. The system is governed by strong interactions between the atomic motion…