Bose-Einstein Condensation of Lithium: Observation of Limited Condensate Number
C. C. BradleyPhysics Department and Rice Quantum Institute, Rice University, Houston, Texas 77005-1892C. A. SackettPhysics Department and Rice Quantum Institute, Rice University, Houston, Texas 77005-1892Randall G. HuletPhysics Department and Rice Quantum Institute, Rice University, Houston, Texas 77005-1892
1997en
ABI
Аннотация
Bose-Einstein condensation of ${}^{7}\mathrm{Li}$ has been studied in a magnetically trapped gas. Because of the effectively attractive interactions between ${}^{7}\mathrm{Li}$ atoms, many-body quantum theory predicts that the occupation number of the condensate is limited to about 1400 atoms. We observe the condensate number to be limited to a maximum value between 650 and 1300 atoms. The measurements were made using a versatile phase-contrast imaging technique.
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