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Atomic density and temperature distributions in magneto-optical traps

Arnold, A S and Manson, P J (2000) Atomic density and temperature distributions in magneto-optical traps. Journal of the Optical Society of America B, 17 (4). pp. 497-506. ISSN 0740-3224

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Abstract

A theoretical investigation into density, pressure, and temperature distributions in magneto-optical traps is presented. After a brief overview of the forces that arise from reradiation and absorption, a condition that the absorptive force be conservative is used to show that, if the temperature is uniform throughout the trap, any. density solutions to the force equations will not be physical. Further, consistent density solutions are unlikely to exist at all. In contrast, with a varying temperature reasonable solutions are demonstrated, with some restrictions. Doppler forces involved in ring-shaped trap structures are used to calculate orbit radii in racetrack geometry traps, and corrections to the present discrepancy between theoretical and experimental studies are discussed in the context of reradiation and diffusion.

Item type: Article
ID code: 33637
Keywords: doppler limit, spatial distribution, radiation pressure, neutral atoms, sodium atoms, cold atoms, vapor-cell, molasses, Optics. Light, Statistical and Nonlinear Physics, Atomic and Molecular Physics, and Optics
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Physics
Depositing user: Pure Administrator
Date Deposited: 17 Oct 2011 12:17
Last modified: 21 May 2015 13:42
URI: http://strathprints.strath.ac.uk/id/eprint/33637

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