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astro-ph.SR2025
Meridional Circulation II: A Unified Mechanism for Lithium Depletion in Solar Analogs and the Lithium Dip in Mid-F Cluster Stars
Xuefeng Li, Jianrong Shi, Yan Li +2
The behavior of lithium (Li) in Population I main sequence stars challenges standard stellar theory. Two phenomena stand out: the solar Li problem which extends to Li depletion in…
astro-ph.SR2025
Meridional Circulation. I. A Formation Channel for Lithium-rich and Super Lithium-rich Red Clump Stars
Xue-Feng Li, Jian-Rong Shi, Yan Li +2
Current observations indicate that stars with higher rotation rates appear to maintain more surface lithium, and the majority of lithium-rich giants are indeed red clump stars. Hen…