Phys. Rev. A 77, 013619 (2008) [4 pages]Quality factor of a matter-wave beamReceived 17 August 2007; published 25 January 2008 Imperfections in matter-wave beams have been recently characterized experimentally through the measurement of a parameter presented as a beam quality factor. While this parameter is adequate to propagate the transverse width of a cylindrical atomic beam in the paraxial regime, it is not well suited for the description of matter waves in general atom-optical systems. A different quality factor, consistent with the general propagation of matter waves, is proposed. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.77.013619
DOI:
10.1103/PhysRevA.77.013619
PACS:
03.75.Pp, 41.85.Ew, 31.15.xh
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