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arxiv: physics/9812038 · v1 · submitted 1998-12-20 · ⚛️ physics.atom-ph

Bose-Einstein Condensation of Atomic Hydrogen

Daniel Kleppner , Thomas J. Greytak , Thomas C. Killian , Dale G. Fried , Lorenz Willmann , David Landhuis , Stephen C. Moss This is my paper
classification ⚛️ physics.atom-ph
keywords atomichydrogenbose-einsteincondensationspectroscopybrieflycondensatedensity
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We have observed Bose-Einstein condensation (BEC) of trapped atomic hydrogen, and studied it by two-photon spectroscopy of the 1S-2S transition. In these lecture notes we briefly review the history of spin-polarized atomic hydrogen and describe the final steps to BEC. Laser spectroscopy, which probes the difference in mean field energy of the 1S and 2S states, is used to study the condensate, which has a peak density of 4.8e15 cm^-3 and population of 10^9.

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