Repeating head-on collisions in an optical trap and the evaluation of spin-dependent interactions among neutral particles

Details Repeating head-on collisions in an optical trap and the evaluation of spin-dependent interactions among neutral particles Repeating head-on collisions in an optical trap and the evaluation of spin-dependent interactions among neutral particles

2009-08-20

arxiv.org/abs/0908.2929v2

Physics

Condensed Matter

Other Condensed Matter

15 pages, 7 figures

Scientific paper

A dynamic process of repeating collisions of a pair of trapped neutral particles with weak spin-dependent interaction is designed and studied. Related theoretical derivation and numerical calculation have been performed to study the inherent coordinate-spin and momentum-spin correlation. Due to the repeating collisions the effect of the weak interaction can be accumulated and enlarged, and therefore can be eventually detected. Numerical results suggest that the Cr-Cr interaction, which has not yet been completely clear, could be thereby determined. The design can be in general used to determine various interactions among neutral atoms and molecules, in particular for the determination of very weak forces.

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