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Radiative collision...
Radiative collisional heating at the Doppler limit for laser-cooled magnesium atoms
- Artikel/kapitelEngelska2004
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LIBRIS-ID:oai:DiVA.org:kth-41827
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-41827URI
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https://doi.org/10.1103/PhysRevA.70.013410DOI
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Språk:engelska
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Sammanfattning på:engelska
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QC 20111103
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We report Monte Carlo wave function simulation results on cold collisions between magnesium atoms in a strong red-detuned laser field. This is the normal situation, e.g., in magneto-optical traps (MOT). The Doppler limit heating rate due to radiative collisions is calculated for Mg-24 atoms in an MOT based on the S-1(0)-P-1(1) atomic laser cooling transition. We find that radiative heating does not seem to affect the Doppler limit in this case. We also describe a channeling mechanism due to the missing Q branch in the excitation scheme, which could lead to a suppression of inelastic collisions, and find that this mechanism is not present in our simulation results due to the multistate character of the excitation process.
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Lundh, EmilKTH,Fysik(Swepub:kth)u1a29zuy
(författare)
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Suominen, K. A.
(författare)
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KTHFysik
(creator_code:org_t)
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Ingår i:Physical Review A. Atomic, Molecular, and Optical Physics70:11050-29471094-1622
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