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Phys Rev Lett. 2006 Mar 31;96(12):123001. Epub 2006 Mar 31.

Electrodynamic trapping of spinless neutral atoms with an atom chip.

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PRESTO, Japan Science and Technology Agency, Bunkyo-ku, Tokyo 113-8656, Japan.


Three-dimensional electrodynamic trapping of neutral atoms has been demonstrated. By applying time-varying inhomogeneous electric fields with micron-sized electrodes, nearly 10(2) strontium atoms in the 1S0 state have been trapped with a lifetime of 80 ms. In order to design the electrodes, we numerically analyzed the electric field and simulated atomic trajectories in the trap, which showed reasonable agreement with the experiment.

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