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 X07: Quantum Gases in Low Dimensions
8:00 AM–10:00 AM,
Friday, June 4, 2021
Chair: Cheng Chin, U Chicago
Abstract: X07.00009 : Improving the grasp of harmonically trapped fermions in low dimensions
9:36 AM–9:48 AM
Live
Presenter:
Lukas Rammelmüller
Authors:
Lukas Rammelmüller
David Huber
(Technische Universitat Darmstadt)
Artem Volosniev
(Institute of Science and Technology Aust)
To demonstrate our approach, we show results for a few harmonically trapped fermions in 1D interacting with a static magnetic impurity at the center of the trap. By gradually increasing the particle number in the trap, a quantum phase transition is approached, manifesting itself in a level crossing between two ground states with vanishing spin and non-zero spin, respectively. Moreover, we address low-energy physics of harmonically trapped 2D Fermi gases allowing us to study the nature of particle pairing in this regime.
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