Scaling laws for evaporative cooling in time-dependent optical traps

K. M. O'Hara, M. E. Gehm, S. R. Granade, J. E. Thomas

Research output: Contribution to journalArticlepeer-review

73 Scopus citations

Abstract

A scaling law model of forced evaporation in a continuously lowered optical trap was discussed. The scaling law follows from a simple energy evolution equation for the trapped atoms, which includes the energy loss. The evaporation rate of a gas from an optical trap of fixed depth stagnates as the temperature drops. The large increase in phase-space density was found to be obtained without excessive slowing of the evaporation rate.

Original languageEnglish (US)
Article number051403
Pages (from-to)514031-514034
Number of pages4
JournalPhysical Review A. Atomic, Molecular, and Optical Physics
Volume64
Issue number5
StatePublished - Nov 2001

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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