116 citations · 744 across the 33 of their papers we have counts for
27 papers · 1 filter
Quantum control of ion-atom collisions beyond the ultracold regime
Maks Z. Walewski, Matthew D. Frye, Or Katz +3
Tunable scattering resonances are crucial for controlling atomic and molecular systems. However, their use has so far been limited to ultracold temperatures. These conditions remai…
Collisions of Spin-polarized YO Molecules for Single Partial Waves
Justin J. Burau, Kameron Mehling, Matthew D. Frye +4
Efficient sub-Doppler laser cooling and optical trapping of YO molecules offer new opportunities to study collisional dynamics in the quantum regime. Confined in a crossed optical…
Spin--spin interaction and magnetic Feshbach resonances in collisions of high-spin atoms with closed-shell atoms
Matthew D. Frye, Piotr S. Żuchowski, Michał Tomza
We investigate interactions and ultracold collisions of high-spin but spherical atoms with closed-shell atoms, focussing on the example of Cr with Yb. Such a combination has only o…
Long-range states and Feshbach resonances in collisions between ultracold alkali-metal diatomic molecules and atoms
Matthew D. Frye, Jeremy M. Hutson
We consider the long-range states expected for complexes formed from an alkali-metal diatomic molecule in a singlet state and an alkali-metal atom. We explore the structure of the…
Magnetic Feshbach resonances between atoms in S and P states: mechanisms and dependence on atomic properties
Bijit Mukherjee, Matthew D. Frye, Jeremy M. Hutson
Magnetically tunable Feshbach resonances exist in ultracold collisions between atoms in S and P states, such as an alkali-metal atom colliding with Yb or Sr in a clock…
Observation of magnetic Feshbach resonances between Cs and Yb
Tobias Franzen, Alexander Guttridge, Kali E. Wilson +4
We report the first observation of magnetic Feshbach resonances between Yb and Cs. In a mixture of Cs atoms prepared in the state and unpolarized f…
Feshbach Spectroscopy of Cs Atom Pairs in Optical Tweezers
R V Brooks, A Guttridge, Matthew D Frye +4
We prepare pairs of Cs atoms in a single optical tweezer and perform Feshbach spectroscopy for collisions of atoms in the states . We detect enhancements i…
Feshbach resonances and molecule formation in ultracold mixtures of Rb and Yb(P) atoms
Bijit Mukherjee, Matthew D. Frye, Jeremy M. Hutson
We have investigated magnetically tunable Feshbach resonances in ultracold collisions of Rb with Yb in its metastable P and P states, using coupled-channel scatteri…
Molecule-molecule and atom-molecule collisions with ultracold RbCs molecules
Philip D. Gregory, Jacob A. Blackmore, Matthew D. Frye +4
Understanding ultracold collisions involving molecules is of fundamental importance for current experiments, where inelastic collisions typically limit the lifetime of molecular en…
Complexes formed in collisions between ultracold alkali-metal diatomic molecules and atoms
Matthew D. Frye, Jeremy M. Hutson
We explore the properties of 3-atom complexes of alkali-metal diatomic molecules with alkali-metal atoms, which may be formed in ultracold collisions. We estimate the densities of…
Collisions in a dual-species magneto-optical trap of molecules and atoms
S. Jurgilas, A. Chakraborty, C. J. H. Rich +4
We study inelastic collisions between CaF molecules and Rb atoms in a dual-species magneto-optical trap. The presence of atoms increases the loss rate of molecules from the…
Magnetic Feshbach resonances in collisions of NaK with K
Xin-Yao Wang, Matthew D. Frye, Zhen Su +8
We present measurements of more than 80 magnetic Feshbach resonances in collisions of ultracold NaK with K. We assign quantum numbers to a group of low-field r…
Collisions Between Ultracold Molecules and Atoms in a Magnetic Trap
S. Jurgilas, A. Chakraborty, C. J. H. Rich +7
We prepare mixtures of ultracold CaF molecules and Rb atoms in a magnetic trap and study their inelastic collisions. When the atoms are prepared in the spin-stretched state and the…
Characterizing quasibound states and scattering resonances
Matthew D. Frye, Jeremy M. Hutson
Characterizing quasibound states from coupled-channel scattering calculations can be a laborious task, involving extensive manual iteration and fitting. We present an automated pro…
Prospects of forming high-spin polar molecules from ultracold atoms
Matthew D. Frye, Simon L. Cornish, Jeremy M. Hutson
We have investigated Feshbach resonances in collisions of high-spin atoms such as Er and Dy with closed-shell atoms such as Sr and Yb, using coupled-channel scattering and bound-st…
Time delays in ultracold atomic and molecular collisions
Matthew D. Frye, Jeremy M. Hutson
We study the behavior of the Eisenbud-Wigner collisional time delay around Feshbach resonances in cold and ultracold atomic and molecular collisions. We carry out coupled-channels…
Magnetic Feshbach resonances in ultracold collisions between Cs and Yb atoms
B. C. Yang, Matthew D. Frye, A. Guttridge +4
We investigate magnetically tunable Feshbach resonances in ultracold collisions between ground-state Yb and Cs atoms, using coupled-channel calculations based on an interaction pot…
Ultracold collisions of Cs in excited hyperfine and Zeeman states
Matthew D. Frye, B. C. Yang, Jeremy M. Hutson
We investigate Cs+Cs scattering in excited Zeeman and hyperfine states. We calculate the real and imaginary parts of the s-wave scattering length; the imaginary part directly provi…
Two-photon photoassociation spectroscopy of CsYb: ground-state interaction potential and interspecies scattering lengths
Alexander Guttridge, Matthew D. Frye, Baochun Yang +2
We perform two-photon photoassociation spectroscopy of the heteronuclear CsYb molecule to measure the binding energies of near-threshold vibrational levels of the $X~^{2}Σ_{1/2}^{+…
Production of ultracold Cs*Yb molecules by photoassociation
Alexander Guttridge, Stephen A. Hopkins, Matthew D. Frye +3
We report the production of ultracold heteronuclear CsYb molecules through one-photon photoassociation applied to an ultracold atomic mixture of Cs and Yb confined in an optica…
Characterizing Feshbach resonances in ultracold scattering calculations
Matthew D. Frye, Jeremy M. Hutson
We describe procedures for converging on and characterizing zero-energy Feshbach resonances that appear in scattering lengths as a function of an external field. The elastic proced…
Interspecies thermalization in an ultracold mixture of Cs and Yb in an optical trap
A. Guttridge, S. A. Hopkins, S. L. Kemp +3
We present measurements of interspecies thermalization between ultracold samples of Cs and either Yb or Yb. The two species are trapped in a far-off-resonan…
The approach to chaos in ultracold atomic and molecular physics: statistics of near-threshold bound states for Li+CaH and Li+CaF
Matthew D. Frye, Masato Morita, Christophe L. Vaillant +2
We calculate near-threshold bound states and Feshbach resonance positions for atom + rigid-rotor models of the highly anisotropic systems Li+CaH and Li+CaF. We perform statistical…
Quantum chaos in ultracold collisions between Yb(S) and Yb(P)
Dermot G. Green, Christophe L. Vaillant, Matthew D. Frye +2
We calculate and analyze Feshbach resonance spectra for ultracold Yb(S) + Yb(P) collisions as a function of an interatomic potential scaling factor and external…