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Search Publications by: Eric A. Cornell (Fed)

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Displaying 51 - 75 of 129

Controlled Collapse of a Bose-Einstein Condensate

May 1, 2001
Author(s)
J L. Roberts, N R. Claussen, S L. Cornish, E A. Donley, Eric A. Cornell, C E. Wieman
The point of instability of a Bose-Einstein condensate (BEC) due to attractive interactions was studied. Stable 85Rb BECs were created and then caused to collapse by slowly changing the atom-atom interaction from repulsive to attractive using a Feshbach

Magnetic Switch for Integrated Atom Optics

April 1, 2001
Author(s)
D Mueller, Eric A. Cornell, M Prevedelli, P Schwindt, Y J. Wang, D Z. Anderson
A magnetic waveguide structure allows switching of neutral atoms between two guides. The switch consists of lithographically patterned current-carry-carrying wires on a sapphire substrate. By selectively sending current through a particular set of wires

85 Rb BEC Near a Feshbach Resonance

February 1, 2001
Author(s)
N R. Claussen, S L. Cornish, J L. Roberts, Eric A. Cornell, C E. Wieman
Bose-Einstein condensation has been achieved in a magnetically trapped sample of 85Rb atoms. Stable condensates of up to 10 4 atoms have been created by using a magnetic-field-induced Feshbach resnance to reverse the sign of the zero-field scattering

Waveguide Atom Beam Splitter for Laser-Cooled Neutral Atoms

September 1, 2000
Author(s)
D Muller, Eric A. Cornell, M Prevedelli, P Schwindt, A A. Zozulya, D Z. Anderson
A laser-cooled neutral-atom beam from a low-velocity intense source is split into two beams while it is guided by a magnetic-field potential. We generate our multimode beam-splitter potential with two current-carrying wires upon a glass substrate combined

Stable 85 Rb Bose-Einstein Condensates With Widely Tunable Interactions

August 1, 2000
Author(s)
S L. Cornish, N R. Claussen, J L. Roberts, Eric A. Cornell, C E. Wieman
Bose-Einstein condensation has been achieved in a magnetically trapped sample of 85Rb atoms. Long-lived condensates of up to 10 4 atoms have been produced by using a magnetic-field-induced Feshbach resonance to reverse the sign of the scattering length

Guiding Laser-Cooled Atoms in Hollow-Core Fibers

March 1, 2000
Author(s)
D Mueller, Eric A. Cornell, D Z. Anderson, E. Abraham
Laser-cooled atoms from a low-velocity atomic source are guided in a hollow-core optical fiber using the evanescent-wave dipole force from blue-detuned laser light launched into the glass region of the fiber. The transverse velocity of the guided atoms
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