3.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of Maryland, College ParkUS1.9k papers
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- Joint Institute for Laboratory AstrophysicsUS52 papers
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15 papers · 2 filters
Commissioning of the Francium Trapping Facility at TRIUMF
M. Tandecki, J. Zhang, R. Collister +6
We report on the successful commissioning of the Francium Trapping Facility at TRIUMF. Large laser-cooled samples of francium are produced from a francium ion beam delivered by the…
Beyond the Spin Model Approximation for Ramsey Spectroscopy
A. P. Koller, M. Beverland, A. V. Gorshkov +1
Ramsey spectroscopy has become a powerful technique for probing non-equilibrium dynamics of internal (pseudospin) degrees of freedom of interacting systems. In many theoretical tre…
Sub-Doppler Cooling of Neutral Atoms in a Grating Magneto-Optical Trap
J. Lee, J. A. Grover, L. A. Orozco +1
The grating magneto-optical trap (GMOT) requires only one beam and three planar diffraction gratings to form a cloud of cold atoms above the plane of the diffractors. Despite the c…
Scattering lengths in isotopologues of the RbYb system
Mateusz Borkowski, Piotr S. Żuchowski, Roman Ciuryło +7
We model the binding energies of rovibrational levels of the RbYb molecule using experimental data from two-color photoassociation spectroscopy in mixtures of ultracold Rb w…
Optimally focused cold atom systems obtained using density-density correlations
Andika Putra, Daniel L. Campbell, Ryan M. Price +2
Resonant absorption imaging is a common technique for detecting the two-dimensional column density of ultracold atom systems. In many cases, the system's thickness along the imagin…
Analytical model of overlapping Feshbach resonances
Krzysztof Jachymski, Paul S. Julienne
Feshbach resonances in ultracold collisions often result from an interplay between many collision channels. Simple two-channel models can be introduced to capture the basic feature…
Long range interaction coefficients for ytterbium dimers
S. G. Porsev, M. S. Safronova, A. Derevianko +1
We evaluate the electric-dipole and electric-quadrupole static and dynamic polarizabilities for the 6s^2 ^1S_0, 6s6p ^3P_0, and 6s6p ^3P_1 states and estimate their uncertainties.…
Quantum Control of Qubits and Atomic Motion Using Ultrafast Laser Pulses
J. Mizrahi, B. Neyenhuis, K. Johnson +4
Pulsed lasers offer significant advantages over CW lasers in the coherent control of qubits. Here we review the theoretical and experimental aspects of controlling the internal and…
Spinor dynamics in an antiferromagnetic spin-1 thermal Bose gas
Hyewon K. Pechkis, Jonathan P. Wrubel, Arne Schwettmann +4
We present experimental observations of coherent spin-population oscillations in a cold thermal, Bose gas of spin-1 sodium-23 atoms. The population oscillations in a multi-spatial-…
Magnetic dipole and electric quadrupole moments of the 229Th nucleus
M. S. Safronova, U. I. Safronova, A. G. Radnaev +2
We calculate the A and B hyperfine constants for the low-lying states of 229Th3+ using a high-precision relativistic all-order approach. By combining these calculations with measur…
Relativistic many-body calculation of energies, oscillator strengths, transition rates, lifetimes, polarizabilities, and quadrupole moment of Fr-like Th IV ion
M. S. Safronova, U. I. Safronova
Atomic properties of the 24 low-lying ns, np, nd, nf, and ng states in Th IV ion are calculated using the high-precision relativistic all-order method where all single, double, and…
Thallium 7p lifetimes derived from experimental data and ab initio calculations of scalar polarizabilities
M. S. Safronova, P. K. Majumder
Two different theoretical methods have been used to complete a new calculation of polarizability in the thallium 6p_{1/2}, 7s, and 7p_{1/2} states. The predictions of the two metho…
Integrated Optical Dipole Trap for Cold Neutral Atoms with an Optical Waveguide Coupler
J. Lee, D. H. Park, S. Mittal +2
An integrated optical dipole trap uses two-color (red and blue-detuned) traveling evanescent wave fields for trapping cold neutral atoms. To achieve longitudinal confinement, we pr…
Polarizabilities, Stark shifts, and lifetimes of In atom
M. S. Safronova, U. I. Safronova, S. G. Porsev
We evaluate the polarizabilities of the 5p_{1/2}, 6s, 6p_{1/2}, and 6p_{3/2} states of In using two different high-precision relativistic methods: linearized coupled-cluster approa…
Quantum theory of reactive collisions for 1/r^n potentials
Krzysztof Jachymski, Michal Krych, Paul S. Julienne +1
We develop a general quantum theory for reactive collisions involving power-law potentials (-1/r^n) valid from the ultracold up to the high-temperature limit. Our quantum defect fr…