Wednesday, February 9, 2011

talk by Swati Singh

Swati is talking about hybrid approaches to quantum mechanical cooling, in this case to a BEC as the medium. Phase contrast imaging was used by Stamper-Kurn and Mukund Vengalattore to major the local spin domains in BEC. She is studying the feasibility of measuring the backaction.

Photon scattering losses when objects are levitated to minimize environmental losses, enter the picture. Dipole scattering is not the major issue, as the losses are mostly in the forward direction. Motional squeezing in cantilevers with dipole-dipole interaction, is being discussed. The non-linearity of dipolar interaction is used.

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