Photoassociative cooling and trapping of a pair of interacting atoms

@article{Saha2016PhotoassociativeCA,
  title={Photoassociative cooling and trapping of a pair of interacting atoms},
  author={Subrata Saha and Somnath Naskar and Bimalendu Deb},
  journal={Physical Review A},
  year={2016},
  volume={94},
  pages={023413}
}
We show that it is possible to cool interacting pairs of atoms by a lin $\perp$ lin Sisyphus-like laser cooling scheme using counter-propagating photoassociation (PA) lasers. It is shown that the center-of-mass motion (c.m.) of atom pairs can be trapped in molecular spin-dependent periodic potentials generated by the lasers. The proposed scheme is most effective for narrow-line PA transitions. We illustrate this with numerical calculations using fermionic $^{171}$Yb atoms as an example. 
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