Scattering cold Jupiters disrupt inner mean-motion resonances via secular perturbations from their orbital history, driving resonance circulation in most 2:1 and 3:2 configurations and explaining the Kepler period ratio distribution.
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Sub-Neptunes around metal-rich stars have a 42.6% conditional probability of cold Jupiters versus 14.5% for super-Earths, showing a metallicity-dependent correlation absent in the latter.
Observational analysis of 43 systems finds no significant overall correlation between gas giant occurrence and inner small planet properties but reports hints of a trend in metal-rich systems favoring lower-density planets with similar core masses.
citing papers explorer
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Impact of Cold Jupiter Scattering on the Mean-Motion Resonance of Inner Small Planets
Scattering cold Jupiters disrupt inner mean-motion resonances via secular perturbations from their orbital history, driving resonance circulation in most 2:1 and 3:2 configurations and explaining the Kepler period ratio distribution.
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Sub-Neptunes Show a Stronger Correlation with Cold Jupiters than Super-Earths Especially in Metal-rich Systems
Sub-Neptunes around metal-rich stars have a 42.6% conditional probability of cold Jupiters versus 14.5% for super-Earths, showing a metallicity-dependent correlation absent in the latter.
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An early look at how gas giants shape small planet bulk compositions
Observational analysis of 43 systems finds no significant overall correlation between gas giant occurrence and inner small planet properties but reports hints of a trend in metal-rich systems favoring lower-density planets with similar core masses.