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Search Publications by: Eric A. Cornell (Fed)

Displaying 176 - 200 of 257

Trapping and cooling of potassium isotopes in a double-magneto-optical-trap apparatus

January 1, 1999

Author(s)

M Prevedelli, F S. Cataliotti, Eric A. Cornell, J R. Ensher, C Fort, L Ricci, G M. Tino, M Inguscio

Trapping and Cooling of Potassium Isotopes in a Double-Magneto-Optical-Trap Apparatus

January 1, 1999

Author(s)

M Prevedelli, F S. Cataliotti, Eric A. Cornell, J R. Ensher, C Fort, L Ricci, G M. Tino, M Inguscio

We report on teh efficient operation of a double-magneto-optical-trap (MOT) apparatus for potassium isopes. Mechanisms for the cooling and the transfer between the two MOTs are studied. A magnetic quadrupole trap has been loaded from the second MOT

Vortices in a Bose-Einstein condensate

January 1, 1999

Author(s)

M R. Matthews, B P. Anderson, P C. Haljan, D S. Hall, C E. Wieman, Eric A. Cornell

Watching a superfluid untwist itself: Recurrence of Rabi oscillations in a Bose-Einstein condensate

January 1, 1999

Author(s)

M R. Matthews, B P. Anderson, P C. Haljan, D S. Hall, M J. Holland, J E. Williams, Carl J. Williams, C E. Wieman, Eric A. Cornell

Resonant Magnetic Field Control of Elastic Scattering in Cold 85Rb

December 1, 1998

Author(s)

J L. Roberts, N R. Claussen, J P. Burke, C H. Greene, Eric A. Cornell, C E. Wieman

A magnetic field-dependent Feshbach resonance has been observed in the elastic scattering collision rate between stoms in the F = 2, M = -2 state of 85Rb. Changing the magnetic field by several Gauss caused the collision rate to vary by a factor of 10 4

Having it Both Ways: Distinguishable Yet Phase-Coherent Mixtures of Bose-Einstein Condensates

November 1, 1998

Author(s)

Eric A. Cornell, D S. Hall, M R. Matthews, C E. Wieman

We have begun a series of experiments on mixed bosonic quantum fluids. Our system is mixed Bose-Einstein condensates in dilute Rb-87. By simultancously trapping the atoms in two different hyperfine states, we are able to study the dynamics of component

Measurements of Relative Phase and Quantum Beat Note Between Bose-Einstein Condensates

August 1, 1998

Author(s)

D S. Hall, M R. Matthews, C E. Wieman, Eric A. Cornell

We use a separated-oscillatory-field condensate interferometer to measure the time-evolution of the relative phase in a two-component Bose-Einstein condensate. The two components are created with a particular relative phase in the [F =2, m f = 1] and [F =

Dynamical Response of a Bose-Einstein Condensate to a Discontinuous Change in Internal State

July 1, 1998

Author(s)

M R. Matthews, D S. Hall, D S. Jin, J R. Ensher, C E. Wieman, Eric A. Cornell, F Dalfovo, C Minniti, S Stringari

A two photon transition is used to rapidly convert an arbitrary fraction of 87Rb atoms from a [F=1, m f=-1>condenstate to the [F=2,n f=2>state. Transferring the entire population imposes a discontinuous change on the condensate's mean-field repulsion

Magneto-Optical Trapping of Fermionic Potassium Atoms

February 1, 1998

Author(s)

F S. Cataliotti, Eric A. Cornell, C Fort, M Inguscio, F Marin, M Prevedelli, G M. Tino

We have trapped 40K in a vapor-cell magneto-optical trap starting from a natural abundance sample. This rare, weakly radioactive atom is a Fermion. The number of trapped atoms is approximately 8000 with a density of approximately equal to} 10 8 atoms/cm 3