Hydrogen and Helium Dissolution, Outgassing, and Loss in Evolving Sub-Neptune Magma Oceans: Examining Demographic Features and Radius Evolution

arXiv:2606.14646 · astro-ph.EP · Submitted 2026-06-12 · Read on arXiv

astro-ph.EP

Submitted: 2026-06-12

Updated: 2026-09-22

Comments: 24 pages, 10 figures. Resubmitted to ApJ

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Core — 98× in this paper · explained in 2 episodes
• Metallicity — 41× in this paper · explained in 3 episodes
• Abundance — 13× in this paper · explained in 1 episode
• Ab Initio — 2× in this paper · explained in 1 episode
• Accuracy — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Decoupling — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Interpretability — 1× in this paper · explained in 15 episodes
• Momentum transfer — 1× in this paper · explained in 2 episodes
• Population Synthesis — 1× in this paper · explained in 2 episodes
• Unified Framework — 1× in this paper · explained in 5 episodes

Sources

• Planetary Candidates Observed by Kepler, III: Analysis of the First 16 Months of Data
• TESS Planet Occurrence Rates Reveal the Disappearance of the Radius Valley Around Mid-to-Late M Dwarfs
• The Fate of Hydrogen and Helium: From Planetary Embryos to Earth- and Neptune-like Worlds
• Understanding the Origins of Super-Puff Planets: A New Mass-Loss Regime Coupled to Planetary Evolution

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