Simulations of atomic trajectories near a dielectric surface

Details Simulations of atomic trajectories near a dielectric surface Simulations of atomic trajectories near a dielectric surface

2011-08-12

arxiv.org/abs/1108.2546v1

New J. Phys. 13, 085004 (2011)

Physics

Quantum Physics

29 pages, 10 figures

Scientific paper

10.1088/1367-2630/13/8/085004

We present a semiclassical model of an atom moving in the evanescent field of a microtoroidal resonator. Atoms falling through whispering-gallery modes can achieve strong, coherent coupling with the cavity at distances of approximately 100 nanometers from the surface; in this regime, surface-induced Casmir-Polder level shifts become significant for atomic motion and detection. Atomic transit events detected in recent experiments are analyzed with our simulation, which is extended to consider atom trapping in the evanescent field of a microtoroid.

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