Direct, Nondestructive Observation of a Bose Condensate

The spatial observation of a Bose condensate is reported. Dispersive light scattering was used to observe the separation between the condensed and normal components of the Bose gas inside a magnetic trap. This technique is nondestructive, and about a hundred images of the same condensate can be take...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1996-07, Vol.273 (5271), p.84-87
Main Authors: Andrews, M. R., M.-O. Mewes, van Druten, N. J., Durfee, D. S., Kurn, D. M., Ketterle, W.
Format: Article
Language:English
Subjects:
Angular distribution
Atoms
Boson degeneracy and superfluidity of 4he
Bosons
Condensation
Condensation (Physics)
Condensed matter: structure, mechanical and thermal properties
Cooling
Energy
Exact sciences and technology
Gases
Imaging
Light scattering
Magnetic fields
Observation
Phase shift
Phenomenology and two-fluid models
Photons
Physics
Quantum fluids and solids
liquid and solid helium
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Summary:The spatial observation of a Bose condensate is reported. Dispersive light scattering was used to observe the separation between the condensed and normal components of the Bose gas inside a magnetic trap. This technique is nondestructive, and about a hundred images of the same condensate can be taken. The width of the angular distribution of scattered light increased suddenly at the phase transition.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.273.5271.84