Three-body universality in ultracold p -wave resonant mixtures

P.M.A. Mestrom; V.E. Colussi; T. Secker; J.L. Li; S.J.J.M.F. Kokkelmans

doi:10.1103/PhysRevA.103.L051303

Three-body universality in ultracold p -wave resonant mixtures

P.M.A. Mestrom (Corresponding author), V.E. Colussi, T. Secker, J.L. Li, S.J.J.M.F. Kokkelmans

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Abstract

We study three-body collisions within ultracold mixtures with resonant interspecies p-wave interactions. Our results for the three-body effective interaction strength and decay rate are crucial towards understanding the stability and lifetime of these dilute quantum fluids. On resonance, we find that a class of universal scattering pathways emerges, regardless of the details of the short-range interactions. This gives rise quite generally to a remarkable regime where three-body effective interactions dominate over both inelastic decay and two-body effective interactions. Additionally, we find a series of mass-ratio-dependent trimer resonances further from resonance.

Original language	English
Article number	L051303
Number of pages	6
Journal	Physical Review A
Volume	103
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevA.103.L051303
Publication status	Published - May 2021

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title = "Three-body universality in ultracold p -wave resonant mixtures",

abstract = "We study three-body collisions within ultracold mixtures with resonant interspecies p-wave interactions. Our results for the three-body effective interaction strength and decay rate are crucial towards understanding the stability and lifetime of these dilute quantum fluids. On resonance, we find that a class of universal scattering pathways emerges, regardless of the details of the short-range interactions. This gives rise quite generally to a remarkable regime where three-body effective interactions dominate over both inelastic decay and two-body effective interactions. Additionally, we find a series of mass-ratio-dependent trimer resonances further from resonance.",

author = "P.M.A. Mestrom and V.E. Colussi and T. Secker and J.L. Li and S.J.J.M.F. Kokkelmans",

note = "Funding Information: Acknowledgments. We thank Denise Ahmed-Braun, Gijs Groeneveld, and Silvia Musolino for discussions. This research is financially supported by the Netherlands Organisation for Scientific Research (NWO) under Grant No. 680-47-623. V.E.C. acknowledges additional financial support from Provincia Autonoma di Trento and the Italian MIUR under the PRIN2017 projectCEnTraL. Publisher Copyright: {\textcopyright} 2021 American Physical Society.",

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AU - Li, J.L.

AU - Kokkelmans, S.J.J.M.F.

N1 - Funding Information: Acknowledgments. We thank Denise Ahmed-Braun, Gijs Groeneveld, and Silvia Musolino for discussions. This research is financially supported by the Netherlands Organisation for Scientific Research (NWO) under Grant No. 680-47-623. V.E.C. acknowledges additional financial support from Provincia Autonoma di Trento and the Italian MIUR under the PRIN2017 projectCEnTraL. Publisher Copyright: © 2021 American Physical Society.

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AB - We study three-body collisions within ultracold mixtures with resonant interspecies p-wave interactions. Our results for the three-body effective interaction strength and decay rate are crucial towards understanding the stability and lifetime of these dilute quantum fluids. On resonance, we find that a class of universal scattering pathways emerges, regardless of the details of the short-range interactions. This gives rise quite generally to a remarkable regime where three-body effective interactions dominate over both inelastic decay and two-body effective interactions. Additionally, we find a series of mass-ratio-dependent trimer resonances further from resonance.

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Three-body universality in ultracold p -wave resonant mixtures

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