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  • T A E A Leanhardt, M Pasquini, +5 authors Ketterle
  • 2004
The lowest temperatures for trapped atoms are usually achieved in low-density samples. At high densities, interaction effects adversely affect the cooling process and the temperature diagnostics. We have achieved a new record-low temperature of less than 500 picokelvin in a very weak trap using a combination of gravitational and magnetic forces [1]. The(More)
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