Comment on 'Quantum time-of-flight distribution for cold trapped atoms'

Journal Article · Fri Feb 15 00:00:00 EST 2008 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.77.026101· OSTI ID:21140585

Gomes, J Viana; Belsley, M ^[1]; Boiron, D ^[2]

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1. Departamento de Fisica, Universidade do Minho, Campus de Gualtar, 4710-057 Braga (Portugal)
2. Laboratoire Charles Fabry de l'Institut d'Optique, CNRS, Univ Paris-Sud, Campus Polytechnique, RD128, 91127 Palaiseau cedex (France)

Ali et al. [Phys. Rev. A 75, 042110 (2007)] have claimed that empirically testable differences exist between the quantum and semiclassical time of flight distribution for cold trapped atoms. We believe these claims to be misleading. For the particular case of noninteracting bosonic particles released from a harmonic trapping potential, we show that the quantum and semiclassical calculations for the time-of-flight distribution are equivalent, provided one is not too close to the quantum degeneracy point.

• OSTI ID: 21140585
• Journal Information: Physical Review. A, Vol. 77, Issue 2; Other Information: DOI: 10.1103/PhysRevA.77.026101; (c) 2008 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ANNUAL LIMIT OF INTAKE
ATOMS
BOSE-EINSTEIN CONDENSATION
COMPARATIVE EVALUATIONS
DISTRIBUTION
POTENTIALS
SEMICLASSICAL APPROXIMATION
TEMPERATURE RANGE 0000-0013 K
TIME-OF-FLIGHT METHOD
TRAPPING