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Precise determination of 6Li cold collision parameters by radio-frequency spectroscopy on weakly bound molecules.
We employ radio-frequency spectroscopy on weakly bound (6)Li(2) molecules to precisely determine the molecular binding energies and the energy splittings between molecular states for differentExpand
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Bose-Einstein Condensation of Potassium Atoms by Sympathetic Cooling
We report on the Bose-Einstein condensation of potassium atoms, whereby quantum degeneracy is achieved by sympathetic cooling with evaporatively cooled rubidium. Because of the rapid thermalizationExpand
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Feshbach resonances in ultracold 39K
We discover several magnetic Feshbach resonances in collisions of ultracold 39K atoms, by studying atom losses and molecule formation. Accurate determination of the magnetic-field resonance locationsExpand
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Observation of Feshbach resonances in an ultracold gas of 52Cr.
We have observed Feshbach resonances in collisions between ultracold 52Cr atoms. This is the first observation of collisional Feshbach resonances in an atomic species with more than one valenceExpand
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Near-threshold model for ultracold KRb dimers from interisotope Feshbach spectroscopy
We investigate magnetic Feshbach resonances in two different ultracold K-Rb mixtures. Information on the K(39)-Rb(87) isotopic pair is combined with novel and pre-existing observations of resonanceExpand
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Test of the universality of the three-body Efimov parameter at narrow Feshbach resonances.
We measure the critical scattering length for the appearance of the first three-body bound state, or Efimov three-body parameter, at seven different Feshbach resonances in ultracold ^{39}K atoms. WeExpand
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Feshbach spectroscopy of a K-Rb atomic mixture
We perform extensive magnetic Feshbach spectroscopy of an ultracold mixture of fermionic $^{40}\mathrm{K}$ and bosonic $^{87}\mathrm{Rb}$ atoms. The magnetic-field locations of 13 interspeciesExpand
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An introduction to the tomographic picture of quantum mechanics
Starting from the famous Pauli problem on the possibility of associating quantum states with probabilities, the formulation of quantum mechanics in which quantum states are described by fairExpand
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Poisson Lie Group Symmetries for the Isotropic Rotator
We find a new Hamiltonian formulation of the classical isotropic rotator where left and right SU(2) transformations are not canonical symmetries but rather Poisson Lie group symmetries. The systemExpand
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Photoassociation of sodium in a Bose-Einstein condensate.
We form ultracold Na2 molecules by single-photon photoassociation of a Bose-Einstein condensate, measuring the photoassociation rate, linewidth, and light shift of the J = 1, v = 135 vibrationalExpand
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