Potentialities of a new σ$_+$-σ$_-$ laser configuration for radiative cooling and trapping

@article{citeulike:1222301, abstract = {In the process of cooling and trapping neutral atoms, the authors investigate a new laser configuration, which consists of two counterpropagating laser beams with orthogonal sigma \$\_+\$ and sigma \$\_{-}\$ polarisations. They show that such a configuration looks more promising than an ordinary standing wave (where the two counterpropagating waves have the same polarisation), and they explain this result as being due to angular momentum conservation which prevents any coherent redistribution of photons between the two waves. The authors' conclusions are based on a quantitative calculation of the various parameters (potential depth, friction coefficient, diffusion coefficient) describing the mean value and the fluctuations of the radiative forces experienced, in such a laser configuration, by an atom with a J=0 ground state and a J=1 excited state.}, author = {Dalibard, J. and Reynaud, S. and Tannoudji, Cohen C. }, citeulike-article-id = {1222301}, doi = {10.1088/0022-3700/17/22/018}, journal = {Journal of Physics B: Atomic and Molecular Physics}, number = {22}, pages = {4577--4594}, posted-at = {2007-04-12 15:16:20}, priority = {2}, title = {Potentialities of a new \σ\$\_+\$-\σ\$\_{-}\$ laser configuration for radiative cooling and trapping}, url = {http://dx.doi.org/10.1088/0022-3700/17/22/018}, volume = {17}, year = {1984} }

TY - JOUR ID - citeulike:1222301 L3 - citeulike-article-id:1222301 TI - Potentialities of a new \σ$_+$-\σ$_{-}$ laser configuration for radiative cooling and trapping JF - Journal of Physics B: Atomic and Molecular Physics VL - 17 IS - 22 SP - 4577 EP - 4594 N2 - In the process of cooling and trapping neutral atoms, the authors investigate a new laser configuration, which consists of two counterpropagating laser beams with orthogonal sigma $_+$ and sigma $_{-}$ polarisations. They show that such a configuration looks more promising than an ordinary standing wave (where the two counterpropagating waves have the same polarisation), and they explain this result as being due to angular momentum conservation which prevents any coherent redistribution of photons between the two waves. The authors' conclusions are based on a quantitative calculation of the various parameters (potential depth, friction coefficient, diffusion coefficient) describing the mean value and the fluctuations of the radiative forces experienced, in such a laser configuration, by an atom with a J=0 ground state and a J=1 excited state. AU - Dalibard, J AU - Reynaud, S AU - Tannoudji, Cohen PY - 1984/// UR - http://dx.doi.org/10.1088/0022-3700/17/22/018 ER -