Time-orbiting potential trap for Bose-Einstein condensate interferometry

Journal Article · Tue Nov 15 00:00:00 EST 2005 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.72.0· OSTI ID:20786432

Reeves, J M; Garcia, O; Deissler, B; Baranowski, K L; Hughes, K J; Sackett, C A ^[1]

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1. Physics Department, University of Virginia, Charlottesville, Virginia 22904 (United States)

We describe an atom trap for Bose-Einstein condensates of {sup 87}Rb to be used in atom interferometry experiments. The trap is based on a time-orbiting potential waveguide. It supports the atoms against gravity while providing weak confinement to minimize interaction effects. We observe harmonic oscillation frequencies ({omega}{sub x},{omega}{sub y},{omega}{sub z}) as low as 2{pi}x(6.0,1.2,3.3) Hz. Up to 2x10{sup 4} condensate atoms have been loaded into the trap, at estimated temperatures as low as 850 pK. We anticipate that interferometer measurement times of 1 s or more should be achievable in this device.

• OSTI ID: 20786432
• Journal Information: Physical Review. A, Vol. 72, Issue 5; Other Information: DOI: 10.1103/PhysRevA.72.051605; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ATOMS
BOSE-EINSTEIN CONDENSATION
CONFINEMENT
GRAVITATION
INTERFEROMETERS
INTERFEROMETRY
OSCILLATIONS
POTENTIALS
RUBIDIUM 87
TRAPS
WAVEGUIDES