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Related papers: P-wave Feshbach resonances of ultra-cold $^6$Li

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We measure higher partial wave Feshbach resonances in an ultracold mixture of fermionic $^6$Li and bosonic $^{133}$Cs by magnetic field dependent atom-loss spectroscopy. For the $p$-wave Feshbach resonances we observe triplet structures…

We report on the observation of two Feshbach resonances in collisions between ultracold $^6$Li and $^{87}$Rb atoms in their respective hyperfine ground states $|F,m_F>=|1/2,1/2>$ and $|1,1>$. The resonances show up as trap losses for the…

Other Condensed Matter · Physics 2009-11-13 B. Deh , C. Marzok , C. Zimmermann , Ph. W. Courteille

We analyse a narrow Feshbach resonance with ultra-cold chromium atoms colliding in d-wave. The resonance is made possible by dipole-dipole interactions, which couple an incoming $l=2$ collision channel with a bound molecular state with…

Atomic Physics · Physics 2009-11-13 Q. Beaufils , A. Crubellier , T. Zanon , B. Laburthe-Tolra , E. Marechal , L. Vernac , O. Gorceix

We report on observations and modeling of interspecies magnetic Feshbach resonances in dilute ultracold mixtures of open-shell alkali-metal $^6$Li and closed-shell $^{173}$Yb atoms with temperatures just above quantum degeneracy for both…

We report on the observation of dipolar splitting in 6Li p-wave Feshbach resonances by highresolution atom-loss spectroscopy. The Feshbach resonances at 159 G and 215 G exhibit a doublet structure of 10 mG and 13 mG, respectively,…

We studied the magnetic field dependence of the inelastic decay of an ultracold, optically trapped 6-Li gas of different spin compositions. The spin mixture of the two lowest hyperfine states showed two decay resonances at 550 G and 680 G…

Condensed Matter · Physics 2009-11-07 K. Dieckmann , C. A. Stan , S. Gupta , Z. Hadzibabic , C. H. Schunck , W. Ketterle

We report on the observation of five Feshbach resonances in collisions between ultracold $^7$Li and $^{87}$Rb atoms in the absolute ground state mixture where both species are in their $|f,m_f>=|1,1>$ hyperfine states. The resonances appear…

Other Condensed Matter · Physics 2009-11-13 C. Marzok , B. Deh , C. Zimmermann , Ph. W. Courteille , E. Tiemann , Y. V. Vanne , A. Saenz

We have measured a p-wave Feshbach resonance in a single-component, ultracold Fermi gas of potassium atoms. We have used this resonance to enhance the normally suppressed p-wave collision cross-section to values larger than the background…

Condensed Matter · Physics 2009-02-20 C. A. Regal , C. Ticknor , J. L. Bohn , D. S. Jin

We have observed 69 $^{41}$K-$^6$Li interspecies Feshbach resonances including 13 elastic p-wave resonances and 6 broad d-wave resonances of $^{41}$K atoms in different spin-state combinations at fields up to 600~G. Multi-channel quantum…

Quantum Gases · Physics 2020-01-31 Xiang-Pei Liu , Xing-Can Yao , Ran Qi , Xiao-Qiong Wang , Yu-Xuan Wang , Yu-Ao Chen , Jian-Wei Pan

We report on the observation of nineteen interspecies Feshbach resonances in an optically trapped ultracold Bose-Fermi mixture of ^{133}Cs and ^{6}Li in the two energetically lowest spin states. We assign the resonances to s- and p-wave…

Quantum Gases · Physics 2013-10-24 M. Repp , R. Pires , J. Ulmanis , R. Heck , E. D. Kuhnle , M. Weidemüller , E. Tiemann

We report precision, orbital-resolved measurements of three-body recombination near the 159~G $p$-wave Feshbach resonance in an ultracold gas of $^{6}$Li atoms prepared in their lowest hyperfine state. Using a radio-frequency gated protocol…

Quantum Gases · Physics 2025-12-03 Shaokun Liu , Zhekang Xu , Shuai Peng , Sijia Peng , Tangqian Shu , Jiaming Li , Le Luo

We report a pronounced dependence of magnetic Feshbach resonance spectra on the initial hyperfine-Zeeman state of Li in ultracold $^{138}$Ba$^+$+$^6$Li collisions. The measured number and distribution of resonances differ significantly…

Feshbach resonances in lithium-6 were experimentally studied and theoretically analyzed. In addition to two previously known s-wave resonances, we found three p-wave resonances. Four of these resonances are narrow and yield a precise value…

We present a study of interspecies Feshbach resonances in ultracold $^{7}$Li-$^{133}$Cs Bose-Bose mixtures. We locate ten interspecies resonances in three different spin-state combinations. By comparing to coupled-channel calculations, we…

Quantum Gases · Physics 2022-08-26 W. -X. Li , Y. -D. Chen , Y. -T. Sun , S. Tung , Paul S. Julienne

We systematically studied the two-body loss in a two-component Fermi gas of $^6$Li atoms near a p-wave Feshbach resonance. The two-body loss rate constants were measured for various temperatures and magnetic fields using atoms trapped in…

Quantum Gases · Physics 2017-12-20 Muhammad Waseem , Taketo Saito , Jun Yoshida , Takashi Mukaiyama

We report evidence for spin-rotation coupling in $p$-wave Feshbach resonances in an ultracold mixture of fermionic $^6$Li and bosonic $^{133}$Cs lifting the commonly observed degeneracy of states with equal absolute value of…

We study collisional loss of a quasi-one-dimensional (1D) spin-polarized Fermi gas near a $p$-wave Feshbach resonance in ultracold $^6$Li atoms. We measure the location of the $p$-wave resonance in quasi-1D and observe a confinement-induced…

Atomic Physics · Physics 2021-01-04 Ya-Ting Chang , Ruwan Senaratne , Danyel Cavazos-Cavazos , Randall G. Hulet

The magnetic dipolar splitting of a p-wave Feshbach resonance is governed by the spin-orbital configuration of the valence electrons in the triplet molecular state. We perform high-resolution trap loss spectroscopy on ultracold 6Li atoms to…

Quantum Gases · Physics 2025-05-29 Shuai Peng , Sijia Peng , Lijun Ren , Shaokun Liu , Bin Liu , Jiaming Li , Le Luo

The study of state-to-state spin-exchange collisions in the vicinity of $p$-wave Feshbach resonances offer great opportunities to explore many-body interactions and novel quantum phases. Here, we report the observation of a spin-exchange…

Quantum Gases · Physics 2024-06-04 Shuai Peng , Tangqian Shu , Bowen Si , Sijia Peng , Yixin Guo , Yongchang Han , Jiaming Li , Gaoren Wang , Le Luo

We determine the physical properties of \emph{p}-wave Feshbach molecules in doubly spin-polarized $^{40}$K and find excellent agreement with recent experiments. We show that these molecules have a large probability $Z$ to be in the closed…

Superconductivity · Physics 2014-11-18 K. B. Gubbels , H. T. C. Stoof
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