Melendez, Jorge; Ramirez, I; Casagrande, L; Asplund, Martin; Gustafsson, Bengt; Yong, David; Do Nascimento, J. D.; Castro, M.; Bazot, M.
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...[Show more]
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