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Topic Area: Atomic Physics
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Displaying records 51 to 60 of 85 records.
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51. Ratio of the Al^u+^ and Hg^u+^ Optical Clock Frequencies to 17 Decimal Places
Topic: Atomic Physics
Published: 8/25/2008
Authors: Wayne M Itano, Till P Rosenband, David Hume, P.O. Schmidt, Chin W. Chou, A. Brusch, Luca Lorini, Windell Oskay, Robert E. Drullinger, Sarah Bickman, Tara Michele Fortier, Jason Stalnaker, Scott A Diddams, William C Swann, Nathan Reynolds Newbury, David J Wineland, James C Bergquist
Abstract: Frequency standards (atomic clocks) based on narrow optical transitions in ^u27^Al^u+^ and ^u199^Hg^u+^ have been developed over the past several years at NIST. These two types of standards are both based on single ions confined in Paul traps, but di ...

52. Robust Optical Design of Angled Multilayer Dielectric Mirrors Optimized for Rubidium Vapor Cell Return Reflection
Topic: Atomic Physics
Published: 8/1/2008
Authors: M A Perez, John E Kitching, A Shkel
Abstract: This paper reports on the design and implementation of thin film multilayer dielectric reflectors on the sidewalls of micromachined reflector cells. Due to shadowing within the cavity, significant variations in the thicknesses of the thin films will ...

53. Rotation induced superfluid-normal phase separation in trapped Fermi gases
Topic: Atomic Physics
Published: 5/13/2009
Authors: Menderes Iskin, Eite Tiesinga
Abstract: We use the Bogoliubov-de Gennes formalism to analyze the effects of adiabatic rotation on the ground state phases of harmonically trapped Fermi gases. We find that the rotation breaks Cooper pairs that are located near the trap edge, and that this le ...

54. SURF III: A flexible Synchrotron Radiation Source for Radiometry and Research
Topic: Atomic Physics
Published: 9/1/2011
Authors: Uwe Arp, Charles W Clark, Lu Deng, Nadir S. Faradzhev, Alex P. Farrell, Mitchell L. Furst, Steven E Grantham, Edward Walter Hagley, Shannon Bradley Hill, Thomas B Lucatorto, Ping-Shine Shaw, Charles S Tarrio, Robert Edward Vest
Abstract: The calculability of synchrotron radiation (SR) makes electron storage rings wonderful light sources for radiometry. The broadband nature of SR allows coverage of the whole spectral region from the x-ray to the far-infrared. Compact low-energy storag ...

55. Scattering of Polarized Electrons from Optically Pumped Sodium Atoms
Topic: Atomic Physics
Published: 1/1/1992
Authors: Michael H Kelley, Jabez J McClelland, Steven Ray Lorentz, R E. Scholten, Robert Celotta
Abstract: We have measured the spin-dependence for elastic and superelastic scattering of spin-polarized electrons from optically prepared sodium atoms at selected incident energies from 1.0 to 54.4 eV and for scattering angles ranging from 10-degrees to 140-d ...

56. Search for a Joint Spin-Orbit and Exchange Asymmetry in Elastic Electron Scattering from Spin-Polarized Sodium
Topic: Atomic Physics
Published: 1/28/1990
Authors: Jabez J McClelland, S Buckman, Michael H Kelley, Robert Celotta
Abstract: Measurements of the asymmetry in the scattering of unpolarised electrons from optically pumped spin-polarised sodium atoms have been carries out at incident electron energies of 20, 54.4, and 70 eV and for a range of scattering angles between 20{degr ...

57. Spherical Reference Cavities for Ultra-Stable Lasers in Non-Laboratory Environments
Topic: Atomic Physics
Published: 2/14/2011
Authors: David R Leibrandt, Michael J. (Michael) Thorpe, Mark Notcutt, Robert E. Drullinger, Till P Rosenband, James C Bergquist
Abstract: We present an ultra-stable optical cavity design that is insensitive to both vibrations and orientation. The design is based on a spherical cavity spacer which is held rigidly at two points on a diameter of the sphere. Coupling of the support force ...

58. Spin Dependence in Electron Impact Ionization of Sodium
Topic: Atomic Physics
Published: 1/1/1983
Authors: Michael H Kelley, W Rogers, Robert Celotta, Daniel Thornton Pierce

59. Spin Dependence in Electron-Atom Collisions
Topic: Atomic Physics
Published: 1/1/1989
Authors: Michael H Kelley, Jabez J McClelland, Robert Celotta

60. Spin Dependence in Superelastic Electron Scattering From Excited Sodium
Topic: Atomic Physics
Published: 1/1/1986
Authors: Michael H Kelley, Robert Celotta, Jabez J McClelland

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