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Numerical Simulations of Gaseous Disks Generated from Collisional Cascades at the Roche Limits of White Dwarf Stars
Scott J. Kenyon, Benjamin C. Bromley
We consider the long-term evolution of gaseous disks fed by the vaporization of small particles produced in a collisional cascade inside the Roche limit of a 0.6 Msun white dwarf.…
Numerical Simulations of Collisional Cascades at the Roche Limits of White Dwarf Stars
Scott J. Kenyon, Benjamin C. Bromley
We consider the long-term collisional and dynamical evolution of solid material orbiting in a narrow annulus near the Roche limit of a white dwarf. With orbital velocities of 300 k…
Terrestrial planet formation: Dynamical shake-up and the low mass of Mars
Benjamin C. Bromley, Scott J. Kenyon
We consider a dynamical shake-up model to explain the low mass of Mars and the lack of planets in the asteroid belt. In our scenario, a secular resonance with Jupiter sweeps throug…
Variations on Debris Disks IV. An Improved Analytical Model for Collisional Cascades
Scott J. Kenyon, Benjamin C. Bromley
We derive a new analytical model for the evolution of a collisional cascade in a thin annulus around a single central star. In this model, the size of the largest object…