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Large Dynamical Tide Amplitudes from Small Kicks at Pericenter
Phil Arras, Hang Yu, Nevin N. Weinberg
The effect of dynamical tide ``kicks" on eccentric binary orbits is considered using the orbital mapping method. It is demonstrated that when mode damping is negligible the mode am…
Orbital Decay of Hot Jupiters due to Weakly Nonlinear Tidal Dissipation
Nevin N. Weinberg, Niyousha Davachi, Reed Essick +3
We study tidal dissipation in hot Jupiter host stars due to the nonlinear damping of tidally driven -modes, extending the calculations of Essick & Weinberg (2016) to a wide vari…
Dust Accretion onto Exoplanets
Phil Arras, Megan Wilson, Matthew Pryal +1
Accretion of interplanetary dust onto gas giant exoplanets is considered. Poynting-Robertson drag causes dust particles from distant reservoirs to slowly inspiral toward the star.…
A Novel Solution for Resonant Scattering Using Self-Consistent Boundary Conditions
B. Connor McClellan, Shane Davis, Phil Arras
We present two novel additions to the semi-analytic solution of Lyman (Ly) radiative transfer in spherical geometry: (1) implementation of the correct boundary condition for…
Tidal evolution and diffusive growth during high-eccentricity planet migration: revisiting the eccentricity distribution of hot Jupiters
Hang Yu, Nevin N. Weinberg, Phil Arras
High-eccentricity tidal migration is a potential formation channel for hot Jupiters. During this process, the planetary f-mode may experience a phase of diffusive growth, allowing…
Tides in the high-eccentricity migration of hot Jupiters: Triggering diffusive growth by nonlinear mode interactions
Hang Yu, Nevin N. Weinberg, Phil Arras
High eccentricity migration is a possible formation channel for hot Jupiters. However, in order for it to be consistent with the observed population of planets, tides must circular…