Quantum Limits of Stochastic Cooling of a Bosonic Gas

Details Quantum Limits of Stochastic Cooling of a Bosonic Gas Quantum Limits of Stochastic Cooling of a Bosonic Gas

2003-05-20

arxiv.org/abs/quant-ph/0305111v1

Phys. Rev. A 67, 061401(R) (2003)

Physics

Quantum Physics

5 pages, 3 figures, to appear in Phys. Rev. A

Scientific paper

10.1103/PhysRevA.67.061401

The quantum limits of stochastic cooling of trapped atoms are studied. The energy subtraction due to the applied feedback is shown to contain an additional noise term due to atom-number fluctuations in the feedback region. This novel effect is shown to dominate the cooling efficiency near the condensation point. Furthermore, we show first results that indicate that Bose--Einstein condensation could be reached via stochastic cooling.

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