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physics.atom-ph2007★ 25 cited
Approaching the Heisenberg limit in an atom laser
M. Jeppesen, J. Dugué, G. R. Dennis +4
We present experimental and theoretical results showing the improved beam quality and reduced divergence of an atom laser produced by an optical Raman transition, compared to one p…
physics.atom-ph2005
Frequency shifts of photoassociative spectra of ultracold metastable Helium atoms : a new measurement of the s-wave scattering length
J. Kim, S. Moal, M. Portier +3
We observe light-induced frequency shifts in one-color photoassociative spectra of magnetically trapped He atoms in the metastable state. A pair of ultracold spin-…