Unitarity-limited behavior of three-body collisions in a p-wave interacting Fermi gas

Abstract

We experimentally investigate the unitarity-limited behavior of the three-body loss near a p-wave Feshbach resonance in a single-component Fermi gas of ${}^6$Li atoms. At the unitarity limit, the three-body loss coefficient $L_3$ exhibits universality in the sense that it is independent of the interaction strength and follows the predicted temperature scaling law of $L_3\propto T^{-2}$. When decreasing the interaction strength from the unitarity regime, the three-body loss coefficient as a function of the interaction strength and temperature can be described by the theory based on the association of an excited resonant quasibound state and its relaxation into a deep stable dimer by collision with a third atom in the framework of the standard Breit-Wigner theoretical approach. The results reported here are important to understand the properties of a resonant p-wave Fermi gas in the prospect of quantum few- and many-body physics.

arXiv comment5 pages, 3 figures

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Cited by in corpus (27)

• Collisional loss of one-dimensional fermions near a $p$-wave Feshbach resonance
• Observation of unitary p-wave interactions between fermions in an optical lattice
• Observation of dipolar splittings in high-resolution atom-loss spectroscopy of ${}^6$Li $p$-wave Feshbach resonances
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• Three-body losses of a polarized Fermi gas near a p-wave Feshbach resonance in effective field theory
• Unitary $p$-wave Fermi gas in one dimension
• Non-Hermitian topological Fermi superfluid near the $p$-wave unitary limit
• Three and four identical fermions near the unitary limit
• Characterization of the magnetic field through the three-body loss near a narrow Feshbach resonance
• Stability against three-body clustering in one-dimensional spinless p-wave fermions
• Optical spin transport theory of spin-1/2 topological Fermi superfluids
• Loss features in ultracold ${}^{162}$Dy gases: two- versus three-body processes
• Efimov physics implications at $p$-wave fermionic unitarity
• $P$-wave Efimov physics implications at unitarity
• Quantum fluctuations of a resonantly interacting $p$-wave Fermi superfluid in two dimensions
• Resonantly interacting $p$-wave Fermi superfluid in two dimensions: Tan's contact and breathing mode
• Anomalous loss behavior in a single-component Fermi gas close to a $p$-Wave Feshbach resonance
• Cooper pairing and tripling in one-dimensional spinless fermions with attractive two- and three-body forces
• Non-Hermitian $p$-wave superfluid and effects of the inelastic three-body loss in a one-dimensional spin-polarized Fermi gas
• Three-body recombination in a single-component Fermi gas with $p$-wave interaction
• Temperature dependence of $p$-wave contacts in a harmonically trapped Fermi gas
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