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Article overview
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Quantized Superfluid Vortex Rings in the Unitary Fermi Gas | Aurel Bulgac
; Michael McNeil Forbes
; Kenneth J. Roche
; Gabriel Wlazłowski
; | Date: |
18 Jun 2013 | Abstract: | We show that quantized vortex rings can be easily excited in trapped
fermionic superfluids and argue that the "heavy soliton" observed in a recent
experiment comprising superfluid Lithium 6 is a vortex ring. The long
oscillation period arises naturally from ring dynamics rather than from an
exotic two-hundred-fold increase in the effective mass of the soliton. The
nature of the vortex ring and oscillation is elucidated with dynamical
simulations of the unitary Fermi Gas within the time-dependent superfluid local
density approximation of density functional theory. | Source: | arXiv, 1306.4266 | Services: | Forum | Review | PDF | Favorites |
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