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- Piilo, J. (author)
Radiative collisional heating at the Doppler limit for laser-cooled magnesium atoms
- Article/chapterEnglish2004
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- 2004
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- LIBRIS-ID:oai:DiVA.org:kth-41827
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-41827URI
- https://doi.org/10.1103/PhysRevA.70.013410DOI
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- Language:English
- Summary in:English
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- QC 20111103
- 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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- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
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- Lundh, EmilKTH,Fysik(Swepub:kth)u1a29zuy (author)
- Suominen, K. A. (author)
- KTHFysik (creator_code:org_t)
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- In:Physical Review A. Atomic, Molecular, and Optical Physics70:11050-29471094-1622
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