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8 papers · 2 filters
Ultracold polar molecules near quantum degeneracy
S. Ospelkaus, K. -K. Ni, M. H. G. de Miranda +6
We report the creation and characterization of a near quantum-degenerate gas of polar K-Rb molecules in their absolute rovibrational ground state. Starting from weakl…
Lifetime measurements of the 5d states of rubidium
D. Sheng, A. Perez Galvan, L. A. Orozco
We present lifetime measurements of the and states of rubidium using the time correlated single photon counting method. We perform the experiment in a magneto…
Adaptive control of CO bending vibration: deciphering field-system dynamics
G. -Y. Chen, Z. W. Wang, W. T. Hill
We combined adaptive closed-loop optimization, phase-shaping with a restricted search space and imaging to control dynamics and decipher the optimal pulse. The approach was applied…
Adiabaticity and localization in one-dimensional incommensurate lattices
E. E. Edwards, M. Beeler, Tao Hong +1
We experimentally investigate the role of localization on the adiabaticity of loading a Bose-Einstein condensate into a one-dimensional optical potential comprised of a shallow pri…
Measurement of the hyperfine splitting of the 6S level in rubidium
A. Perez Galvan, Y. Zhao, L. A. Orozco
We present a measurement of the hyperfine splitting of the 6S excited level of rubidium using two photon absorption spectroscopy in a glass cell. The values we obtain for t…
Quantum theory of ultracold atom-ion collisions
Zbigniew Idziaszek, Tommaso Calarco, Paul S. Julienne +1
We study atom-ion scattering in the ultracold regime. To this aim, an analytical model based on the multichannel quantum defect formalism is developed and compared to close-coupled…