Journal
PHYSICAL REVIEW LETTERS
Volume 125, Issue 26, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.125.263402
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Funding
- Army Research Office Multidisciplinary University Research Initiative [W911NF-14-1-0003, W911NF-17-1-0323]
- NSF [PHY-1707992]
- Welch Foundation [C-1133]
- CONACyT (Mexico) [472271]
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We study collisional loss of a quasi-one-dimensional spin-polarized Fermi gas near a p-wave Feshbach resonance in ultracold Li-6 atoms. We measure the location of the p-wave resonance in quasi-1D and observe a confinement-induced shift and broadening. We find that the three-body loss coefficient L-3 as a function of the quasi-1D confinement has little dependence on confinement strength. We also analyze the atom loss with a two-step cascade three-body loss model in which weakly bound dimers are formed prior to their loss arising from atom-dimer collisions. Our data are consistent with this model. We also find a possible suppression in the rate of dimer relaxation with strong quasi-1D confinement. We discuss the implications of these measurements for observing p-wave pairing in quasi-1D.
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