2025/09/05 by Nagase, Kenta, Hikaru Takahashi, Takahashi, Hikaru +3
Physics and Astronomy · #Atomic Physics (physics.atom-ph) #Atomic and Subatomic Physics Research #Cold Atom Physics and Bose-Einstein Condensates #FOS: Physical sciences #Quantum Gases (cond-mat.quant-gas) #Quantum, superfluid, helium dynamics
paper · pdf · doi:10.48550/arxiv.2509.04738
openalex publication_date 2025/09/05 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01
We study the dependence of the p-wave contact on the Fermi temperature TF and reduced temperature T/TF based on the number of closed-channel molecules. From the anisotropic pattern of dissociated molecules, we resolve the narrow m=0 and m=±1 dipolar splitting of the p-wave Feshbach resonance in 6Li, enabling the independent determination of the contact for all three m components. For each component, we identify a near-resonant scaling with √(TF), indicating the contribution of the normalized effective range kF R_\rme. In addition, we show that the peak contacts observed near resonance increase as T/TF is lowered, a trend that is accurately captured by estimates based on the second-order virial expansion. Our results, together with estimates from the p-wave virial expansion, provide a route toward a complete understanding of the thermodynamics of resonantly enhanced p-wave Fermi gases.