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139 papers
Isotopic effect on collisional widths and shifts of Hg clock transition induced by cold Rb atoms
Renu Bala, Adam Linek, Marcin Witkowski +4
We study the isotopic dependence of collisional widths and shifts of the Hg clock transition S-P perturbed by the Rb atoms in the temperature range from 1 nK to 1 K…
Characterization of Feshbach resonances in using improved interaction potentials
Jing-Chen Zhang, Paul Julienne, Yu Liu
We characterize Feshbach resonances in all isotopologues of the system with improved interaction potentials. Starting from spectroscopically accurate Mo…
Lellouch-Lüscher relation for ultracold few-atom systems under confinement
Jing-Lun Li, Paul S. Julienne, Johannes Hecker Denschlag +1
We derive an analog of the Lellouch-Lüscher (LL) relation for few-body bosonic systems, linking few-body scattering loss rates to the energies and widths of the corresponding harmo…
Dimer-projection contact and the clock shift of a unitary Fermi gas
Kevin G. S. Xie, Colin J. Dale, Kiera Pond Grehan +5
Understanding the dynamics of short-range correlations is a central challenge in strongly interacting Fermi gases. In ultracold gases, these correlations are quantified by the cont…
Steering reaction flux by coupling product channels
Dominik Dorer, Shinsuke Haze, Jing-Lun Li +5
We demonstrate a method for controlling the outcome of an ultracold chemical few-body reaction by redirecting a tunable fraction of reaction flux from one selected product channel…
Spin structure of diatomic van der Waals molecules of alkali atoms
Jing-Lun Li, Paul S. Julienne, Johannes Hecker Denschlag +1
We theoretically investigate the spin structure of weakly bound diatomic van der Waals molecules formed by two identical bosonic alkali atoms. Our studies were performed using know…