Predictions of lasercooling temperatures for multilevel atoms in threedimensional polarizationgradient fields
Abstract
We analyze the dynamics of atomlaser interactions for atoms having multiple, closely spaced, excitedstate hyperfine manifolds. The system is treated fully quantum mechanically, including the atom's centerofmass degree of freedom, and motion is described in a polarization gradient field created by a threedimensional laser configuration. We develop the master equation describing this system, and then specialize it to the lowintensity limit by adiabatically eliminating the excited states. We show how this master equation can be simulated using the Monte Carlo wave function technique, and we provide details on the implementation of this procedure. Monte Carlo calculations of steady state atomic momentum distributions for two fermionic alkaline earth isotopes, {sup 25}Mg and {sup 87}Sr, interacting with a threedimensional linperpendicularlin laser configuration are presented, providing estimates of experimentally achievable lasercooling temperatures.
 Authors:
 JILA, University of Colorado and National Institute of Standards and Technology, and Department of Physics, University of Colorado, Boulder, Colorado 803090440 (United States)
 Publication Date:
 OSTI Identifier:
 20786958
 Resource Type:
 Journal Article
 Resource Relation:
 Journal Name: Physical Review. A; Journal Volume: 73; Journal Issue: 3; Other Information: DOI: 10.1103/PhysRevA.73.033421; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
 Country of Publication:
 United States
 Language:
 English
 Subject:
 74 ATOMIC AND MOLECULAR PHYSICS; ATOMS; COOLING; DEGREES OF FREEDOM; DISTRIBUTION; EXCITED STATES; FERMIONS; LASER RADIATION; MAGNESIUM; MAGNESIUM 25; MONTE CARLO METHOD; PHOTONATOM COLLISIONS; POLARIZATION; STRONTIUM; STRONTIUM 87; THREEDIMENSIONAL CALCULATIONS; WAVE FUNCTIONS
Citation Formats
Dunn, Josh W., and Greene, Chris H. Predictions of lasercooling temperatures for multilevel atoms in threedimensional polarizationgradient fields. United States: N. p., 2006.
Web. doi:10.1103/PHYSREVA.73.0.
Dunn, Josh W., & Greene, Chris H. Predictions of lasercooling temperatures for multilevel atoms in threedimensional polarizationgradient fields. United States. doi:10.1103/PHYSREVA.73.0.
Dunn, Josh W., and Greene, Chris H. Wed .
"Predictions of lasercooling temperatures for multilevel atoms in threedimensional polarizationgradient fields". United States.
doi:10.1103/PHYSREVA.73.0.
@article{osti_20786958,
title = {Predictions of lasercooling temperatures for multilevel atoms in threedimensional polarizationgradient fields},
author = {Dunn, Josh W. and Greene, Chris H.},
abstractNote = {We analyze the dynamics of atomlaser interactions for atoms having multiple, closely spaced, excitedstate hyperfine manifolds. The system is treated fully quantum mechanically, including the atom's centerofmass degree of freedom, and motion is described in a polarization gradient field created by a threedimensional laser configuration. We develop the master equation describing this system, and then specialize it to the lowintensity limit by adiabatically eliminating the excited states. We show how this master equation can be simulated using the Monte Carlo wave function technique, and we provide details on the implementation of this procedure. Monte Carlo calculations of steady state atomic momentum distributions for two fermionic alkaline earth isotopes, {sup 25}Mg and {sup 87}Sr, interacting with a threedimensional linperpendicularlin laser configuration are presented, providing estimates of experimentally achievable lasercooling temperatures.},
doi = {10.1103/PHYSREVA.73.0},
journal = {Physical Review. A},
number = 3,
volume = 73,
place = {United States},
year = {Wed Mar 15 00:00:00 EST 2006},
month = {Wed Mar 15 00:00:00 EST 2006}
}

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