Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2004-07-27
Physics
Condensed Matter
Other Condensed Matter
Scientific paper
10.1103/PhysRevLett.94.090405
An atom Michelson interferometer is implemented on an "atom chip." The chip uses lithographically patterned conductors and external magnetic fields to produce and guide a Bose-Einstein condensate. Splitting, reflecting, and recombining of condensate atoms are achieved by a standing-wave light field having a wave vector aligned along the atom waveguide. A differential phase shift between the two arms of the interferometer is introduced by either a magnetic-field gradient or with an initial condensate velocity. Interference contrast is still observable at 20% with atom propagation time of 10 ms.
Anderson Dana Z.
Bright Victor M.
Cornell Eric A.
Diot Quentin
Kishimoto Tetsuo
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