Universal Feature in Optical Control of a p-wave Feshbach Resonance

Abstract

In this Letter we report the experimental results on optical control of a p-wave Feshbach resonance, by utilizing a laser driven bound-to-bound transition to shift the energy of closed channel molecule. The magnetic field location for p-wave resonance as a function of laser detuning can be captured by a simple formula with essentially one parameter, which describes how sensitive the resonance depends on the laser detuning. The key result of this work is to demonstrate, both experimentally and theoretically, that the ratio between this parameter for $m=0$ resonance and that for $m=\pm 1$ resonance, to large extent, is universal. We also show that this optical control can create intriguing situations where interesting few- and many-body physics can occurs, such as a p-wave resonance overlapping with an s-wave resonance or three p-wave resonances being degenerate.

arXiv comment5 pages, 3 figures

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Cited by in corpus (7)

• Observation of dipolar splittings in high-resolution atom-loss spectroscopy of ${}^6$Li $p$-wave Feshbach resonances
• Unitary $p$-wave Fermi gas in one dimension
• High-momentum tail and universal relations of a Fermi gas near a Raman-dressed Feshbach resonance
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• Universal relations and normal-state properties of a Fermi gas with laser-dressed mixed-partial-wave interactions
• Fulde-Ferrell superfluids in spinless ultracold Fermi gases
• Photoassociation spectroscopy of weakly bound ${}^{87}R{b}_2$ molecules near $5P_{1/2}+5S_{1/2}$ threshold by optical Bragg scattering in Bose-Einstein condensates