Viscous damping in weltering motion of trapped hydrodynamic dipolar Fermi gases
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Abstract |
We consider collective motion and damping of dipolar Fermi gases in the hydrodynamic regime. We investigate the trajectories of collective oscillations — here dubbed weltering motions — in cross-dimensional rethermalization experiments via Monte Carlo simulations, where we find stark differences from the dilute regime. These observations are interpreted within a semi-empirical theory of viscous hydrodynamics for gases confined to anisotropic harmonic potentials. The derived equations of motion provide a simple effective theory that show favorable agreement with full numerical solutions. |
Year of Publication |
2023
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Journal Title |
Submitted
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DOI | |
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