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6 papers
The variable phase method used to calculate and correct scattering lengths
H. Ouerdane, M. J. Jamieson, D. Vrinceanu +1
It is shown that the scattering length can be obtained by solving a Riccati equation derived from variable phase theory. Two methods of solving it are presented. The equation is us…
Long-range atom-surface interactions for cold atoms
James F. Babb
Studies of the long-range interactions between cold atoms and surfaces are now of vital interest. The interest is partly driven by nanotechnology applications, partly by the explod…
Getting Its Kicks: A VLBA Parallax for the Hyperfast Pulsar B1508+55
S. Chatterjee, W. H. T. Vlemmings, W. F. Brisken +7
The highest velocity neutron stars establish stringent constraints on natal kicks, asymmetries in supernova core collapse, and the evolution of close binary systems. Here we presen…
The Submillimeter Array Antennas and Receivers
R. Blundell
The Submillimeter Array (SMA) was conceived at the Smithsonian Astrophysical Observatory in 1984 as a six element interferometer to operate in the major atmospheric windows from ab…
Superradiance in ultracold Rydberg gases
Tun Wang, S. F. Yelin, R. Cote +6
Experiments in dense, ultracold gases of rubidium Rydberg atoms show a considerable decrease of the radiative excited state lifetimes compared to dilute gases. This accelerated dec…
Transit Photometry of the Core-Dominated Planet HD 149026b
David Charbonneau, Joshua N. Winn, David W. Latham +8
We report g, V, and r photometric time series of HD 149026 spanning predicted times of transit of the Saturn-mass planetary companion, which was recently discovered by Sato and col…