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The solar, exoplanet and cosmological lithium problems

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arxiv 0910.5845 v2 pith:ZM33PDWO submitted 2009-10-30 astro-ph.SR astro-ph.EP

classification astro-ph.SRastro-ph.EP
keywords starsproblemproblemscomparedcosmologicaldiscussli-poorthree
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We review three Li problems. First, the Li problem in the Sun, for which some previous studies have argued that it may be Li-poor compared to other Suns. Second, we discuss the Li problem in planet hosting stars, which are claimed to be Li-poor when compared to field stars. Third, we discuss the cosmological Li problem, i.e. the discrepancy between the Li abundance in metal-poor stars (Spite plateau stars) and the predictions from standard Big Bang Nucleosynthesis. In all three cases we find that the "problems" are naturally explained by non-standard mixing in stars.

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