Bulletin of the American Physical Society
52nd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 66, Number 6
Monday–Friday, May 31–June 4 2021; Virtual; Time Zone: Central Daylight Time, USA
Session X06: Generation and Detection of Novel Quantum Phases
8:00 AM–10:00 AM,
Friday, June 4, 2021
Chair: Ana Maria Rey, JILA
Abstract: X06.00008 : Superradiant spin dynamics in a Bose-Einstein condensate coupled to an optical cavity *
9:24 AM–9:36 AM
Live
Presenter:
Rodrigo Rosa-Medina
(Institute for Quantum Electronics, ETH Zürich)
Authors:
Rodrigo Rosa-Medina
(Institute for Quantum Electronics, ETH Zürich)
Francesco Ferri
(Institute for Quantum Electronics, ETH Zürich)
Fabian Finger
(Institute for Quantum Electronics, ETH Zürich)
Tobias Donner
(Institute for Quantum Electronics, ETH Zürich)
Tilman Esslinger
(Institute for Quantum Electronics, ETH Zürich)
Our experimental implementation is based on a 87Rb spinor Bose-Einstein condensate which is coupled to a single mode of an ultrahigh finesse optical cavity. Two transverse laser fields incident on the atomic cloud give rise to cavity-assisted Raman transitions between different motional states of two adjacent spin levels. After benchmarking the collective nature of the elementary processes in this system, we investigate qualitatively different scenarios of superradiant spin dynamics. Our results pave the way to the exploration of dynamical gauge fields and transport phenomena in light-matter systems.
*"We acknowledge funding from SNF: project numbers 182650 and 175329 (NAQUAS QuantERA) and NCCR QSIT, from EU Horizon2020: ERCadvanced grant TransQ (project Number 742579).
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