Phys. Rev. A 67, 013604 (2003) [7 pages]Index of refraction for sodium matter waves traveling in a cold noble-gas mediumReceived 15 August 2002; published 21 January 2003 The index of refraction for sodium matter waves traveling in a cold noble-gas medium is calculated as a function of temperature and beam velocity. Resonances and glory oscillations are present in the center-of-mass scattering amplitude and may be seen in the refractive index at very low temperatures. The sensitivity of the calculations to the molecular potential is investigated for the case of argon, and results at 300 K are compared to a recent experiment. Effective range parameters are computed and the attenuation and phase of the matter waves are analyzed as a function of temperature and beam velocity. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.67.013604
DOI:
10.1103/PhysRevA.67.013604
PACS:
03.75.Be
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