Physics – Condensed Matter – Quantum Gases
Scientific paper
2009-11-06
Phys. Rev. A 81, 043608 (2010).
Physics
Condensed Matter
Quantum Gases
4 pages, 5 figures - modified to take into account referees' improvements
Scientific paper
10.1103/PhysRevA.81.043608
We use magnetic levitation and a variable-separation dual optical plug to obtain clear spatial interference between two condensates axially separated by up to 0.25 mm -- the largest separation observed with this kind of interferometer. Clear planar fringes are observed using standard (i.e. non-tomographic) resonant absorption imaging. The effect of a weak inverted parabola potential on fringe separation is observed and agrees well with theory.
Arnold Aidan S.
Griffin Paul F.
Riis Erling
Zawadzki M. E.
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