Anomalous loss behavior in a single-component Fermi gas close to a p-wave Feshbach resonance
We theoretically investigate three-body losses in a single-component Fermi gas near a p-wave Feshbach resonance in the interacting, nonunitary regime. We extend the cascade model introduced by Waseem et al. [M. Waseem, J. Yoshida, T. Saito, and T. Mukaiyama, Phys. Rev. A 99, 052704 (2019)] to descri...
Gespeichert in:
| Hauptverfasser: | , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
11 May 2023
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| In: |
Physical review
Year: 2023, Jahrgang: 107, Heft: 5, Pages: 1-8 |
| ISSN: | 2469-9934 |
| DOI: | 10.1103/PhysRevA.107.053310 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevA.107.053310 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevA.107.053310 
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| Verfasserangaben: | K. Welz, M. Gerken, B. Zhu, E. Lippi, M. Rautenberg, L. Chomaz, and M. Weidemüller |
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| 520 | |a We theoretically investigate three-body losses in a single-component Fermi gas near a p-wave Feshbach resonance in the interacting, nonunitary regime. We extend the cascade model introduced by Waseem et al. [M. Waseem, J. Yoshida, T. Saito, and T. Mukaiyama, Phys. Rev. A 99, 052704 (2019)] to describe the elastic and inelastic collision processes. We find that the loss behavior exhibits a n3 and an anomalous n2 density dependence for a ratio of elastic-to-inelastic collision rate larger and smaller than 1, respectively. The corresponding evolutions of the energy distribution show collisional cooling or evolution toward low-energetic nonthermalized steady states, respectively. These findings are particularly relevant for understanding atom loss and the energetic evolution of ultracold gases of fermionic lithium atoms in their ground state. | ||
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