Erlangen 2022 – wissenschaftliches Programm
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SYQC: Symposium Quantum Cooperativity of Light and Matter
SYQC 1: Quantum Cooperativity of Light and Matter - Session 1
SYQC 1.2: Vortrag
Donnerstag, 17. März 2022, 11:00–11:15, Audimax
Cooperative effects in dense cold atomic gases including magnetic dipole interactions — •Nico Baßler1,2, Marvin Proske3, Ishan Varma3, Niels Petersen3,4, Patrick Windpassinger3,4, Kai Phillip Schmidt1, and Claudiu Genes2 — 1Department of Physics, Friedrich-Alexander-Universität (FAU) Erlangen Nürnberg — 2Max-Planck-Institut für die Physik des Lichts, Erlangen — 3QUANTUM, Institut für Physik, JGU Mainz — 4Graduate School Materials Science in Mainz
We theoretically investigate cooperative effects in cold atomic gases exhibiting both electric and magnetic dipole-dipole interactions, such as occurring in Dysprosium gases. In the quantum non-degenerate case, a quantum optics path is taken to show the emergence of tailorable XXZ quantum spin models in the high excitation limit. In the opposite case of the low excitation limit, we aim to provide analytical and numerical results detailing the effect of magnetic interactions on the directionality of scattered light and characterize sub- and superradiant effects. In the quantum degenerate case, we consider a many body physics approach in order to show the interplay between sub- and superradiance and the fermionic or bosonic quantum statistics of the gas.