We study collisional loss of a quasi-one-dimensional (1D) spin-polarized Fermi gas near a $p$-wave Feshbach resonance in ultracold ${}^6$Li 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.

中文翻译：

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ap波Feshbach共振附近一维费米子的碰撞损失

我们研究了一个近似一维（1D）自旋极化费米气体的碰撞损失 $p$冷中的Feshbach波共振 ${}^6$锂原子。我们测量$p$在准1D内发生共振，并观察到禁闭引起的位移和变宽。我们发现三体损耗系数${\mathrm{大号}}_3$作为准一维约束的函数，对约束强度的依赖性很小。我们还使用两步级联三体损失模型分析了原子损失，在该模型中，弱结合的二聚体在由原子-二聚体碰撞引起的损失之前就形成了弱结合的二聚体。我们的数据与此模型一致。我们还发现在强准1D约束下二聚体弛豫速率可能受到抑制。我们讨论了这些测量对观测的影响$p$准1D中的波配对。