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Dipolar Relaxation in an ultra-cold Gas of magnetically trapped chromium atoms

S. Hensler·J. Werner·A. Griesmaier·P. O. Schmidt·A. Goerlitz·T. Pfau·S. Giovanazzi·K. Rzazewski
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Abstract

We have investigated both theoretically and experimentally dipolar relaxation in a gas of magnetically trapped chromium atoms. We have found that the large magnetic moment of 6 $μ_B$ results in an event rate coefficient for dipolar relaxation processes of up to $3.2\cdot10^{-11}$ cm$^{3}$s$^{-1}$ at a magnetic field of 44 G. We present a theoretical model based on pure dipolar coupling, which predicts dipolar relaxation rates in agreement with our experimental observations. This very general approach can be applied to a large variety of dipolar gases.

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S. Hensler, J. Werner, A. Griesmaier, P. O. Schmidt, A. Goerlitz, T. Pfau, S. Giovanazzi, K. Rzazewski. 2003-07-25. Dipolar Relaxation in an ultra-cold Gas of magnetically trapped chromium atoms. https://doi.org/10.1007/s00340-003-1334-0

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