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Phys Rev Lett. 2008 Dec 31;101(26):263603.

Coupling nanomechanical cantilevers to dipolar molecules.

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B2 Institute, Department of Physics and College of Optical Sciences, The University of Arizona, Tucson, Arizona 85721, USA.


We investigate the coupling of a nanomechanical oscillator in the quantum regime with molecular (electric) dipoles. We find theoretically that the cantilever can produce single-mode squeezing of the center-of-mass motion of an isolated trapped molecule and two-mode squeezing of the phonons of an array of molecules. This work opens up the possibility of manipulating dipolar crystals, which have been recently proposed as quantum memory, and more generally, is indicative of the promise of nanoscale cantilevers for the quantum detection and control of atomic and molecular systems.

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