Spin dynamics of dense alkali-metal atoms

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作者
Ishikawa, Kiyoshi [1 ]
Kojima, Togo [1 ]
Hasegawa, Taro [1 ]
Takagi, Yoshihiro [1 ]
机构
[1] Department of Materials Science, Himeji Institute of Technology, Akogun, Hyogo 678-1297, Japan
关键词
Atoms - Ground state - Magnetic field effects - Molecular dynamics - Numerical analysis - Semiconductor lasers;
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摘要
The FI signals of dense Rb atoms were observed, and the dependence of the decay rate on B0, P and θ was obtained. Results were quantitatively interpreted as the intrinsic dynamics of highly polarized multilevel atoms under the influence of the spin-exchange interaction. The time evolution of atomic coherence was obtained by numerically integrating the nonlinear Liouville equation. The cross section of the spin-exchange collision was measured to be 3.5 × 10-18 m-2 by fitting the calculated dependence of the linewidth on B0, P, θ, and NRB.
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页码:1 / 032511
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