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14 papers · 1 filter
Peculiar architectures for the WASP-53 and WASP-81 planet-hosting systems
Amaury H. M. J. Triaud, Marion Neveu-VanMalle, Monika Lendl +16
We report the detection of two new systems containing transiting planets. Both were identified by WASP as worthy transiting planet candidates. Radial-velocity observations quickly…
A Machine Learns to Predict the Stability of Tightly Packed Planetary Systems
Daniel Tamayo, Ari Silburt, Diana Valencia +9
The requirement that planetary systems be dynamically stable is often used to vet new discoveries or set limits on unconstrained masses or orbital elements. This is typically carri…
Mixed quantum-classical dynamics using collective electronic variables: A better alternative to electronic friction theories
Ilya G. Ryabinkin, Artur F. Izmaylov
An accurate description of nonadiabatic dynamics of molecular species on metallic surfaces poses a serious computational challenge associated with a multitude of closely-spaced ele…
Topologically correct quantum nonadiabatic formalism for on-the-fly dynamics
Loic Joubert-Doriol, Janakan Sivasubramanium, Ilya G. Ryabinkin +1
On-the-fly quantum nonadiabatic dynamics for large systems greatly benefits from the adiabatic representation readily available from the electronic structure programs. However, fre…
Disentangling Hot Jupiters formation location from their chemical composition
Mohamad Ali-Dib
We use a population synthesis model that includes pebbles and gas accretion, planetary migration, and a simplified chemistry scheme to study the formation of hot-Jupiters. Models h…
Tatooine's Future: The Eccentric Response of Kepler's Circumbinary Planets to Common-Envelope Evolution of their Host Stars
Veselin B. Kostov, Keavin Moore, Daniel Tamayo +2
Inspired by the recent Kepler discoveries of circumbinary planets orbiting nine close binary stars, we explore the fate of the former as the latter evolve off the main sequence. We…