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Steady State Bose-Einstein Condensation

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Posted by Brian Kirk Parquette on January 13, 2001 21:13:16 UTC

Steady State Bose-Einstein Condensation
J. E. Williams, R. Walser, C. Wieman, J. Cooper, M. Holland (JILA, University of Colorado)

We investigate the possibility of obtaining Bose-Einstein condensation in a steady state by continuously loading atoms into a magnetic trap while keeping the frequency of the RF field fixed. A steady state is obtained when the gain of atoms due to loading is balanced with the three dominant loss mechanisms due to: elastic collisions with hot atoms from the background gas, inelastic 3-body collisions, and evaporation. We describe our model of this system and present results of calculations of the peak phase-space density \rho_0 in order to investigate the conditions under which one can reach the regime \rho_0 \geq 2.612 and attain BEC in steady state.

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