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Rydberg matter in space: low-density condensed dark matter

Here Rydberg matter is proposed as a candidate for the missing dark matter or dark baryonic matter in the Universe. Spectroscopic and other experimental studies give valuable information on the properties of Rydberg matter, especially its very weak interaction with light caused by the very small ove...

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society 2002-06, Vol.333 (2), p.360-364
Main Authors: Badiei, Shahriar, Holmlid, Leif
Format: Article
Language:English
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Summary:Here Rydberg matter is proposed as a candidate for the missing dark matter or dark baryonic matter in the Universe. Spectroscopic and other experimental studies give valuable information on the properties of Rydberg matter, especially its very weak interaction with light caused by the very small overlap with low states, and because of the necessary two-electron transitions even for disturbed matter. Recently, the unidentified infrared (UIR) bands have been shown to agree well with calculations and experiments on Rydberg matter. This is the reason for the present, somewhat speculative, proposal that dark matter has, at least partially, the form of Rydberg matter. The UIR bands have also been observed directly in emission from Rydberg matter in the laboratory. The unique space-filling properties of Rydberg matter are described: a hydrogen atom in this matter occupies a volume 5Ă—1012 times larger than in its ground state or in a hydrogen molecule.
ISSN:0035-8711
1365-2966
DOI:10.1046/j.1365-8711.2002.05399.x