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7 papers · 1 filter
Numerical simulations of type III planetary migration: II. Inward migration of massive planets
A. Peplinski, P. Artymowicz, G. Mellema
We present a numerical study of rapid, so called type III migration for Jupitersized planets embedded in a protoplanetary disc. We limit ourselves to the case of inward migration,…
Numerical simulations of the type III migration:I. Disc model and convergence tests
A. Pepliński, P. Artymowicz, G. Mellema
We investigate the fast (type III) migration regime of high-mass protoplanets orbiting in protoplanetary disks. This type of migration is dominated by corotational torques. We stud…
Survival of icy grains in debris discs. The role of photosputtering
Anna Grigorieva, Ph. Thebault, P. Artymowicz +1
We put theoretical constraints on the presence and survival of icy grains in debris discs. Particular attention is paid to UV sputtering of water ice, which has so far not been stu…
Vortex generation in protoplanetary disks with an embedded giant planet
M. de Val-Borro, P. Artymowicz, G. D'Angelo +1
Vortices in protoplanetary disks can capture solid particles and form planetary cores within shorter timescales than those involved in the standard core-accretion model. We investi…
Effective Lagrangian at Cubic Order in Electromagnetic Fields and Vacuum Birefringence
S. I. Kruglov
The effective Lagrangian of electromagnetic fields at the cubic order in field strength has been considered. This generalized Lagrangian is motivated by electrodynamics on non-comm…
Anisotropy in the Hubble constant as observed in the HST Extragalactic Distance Scale Key Project results
M. L. McClure, C. C. Dyer
Based on general relativity, it can be argued that deviations from a uniform Hubble flow should be thought of as variations in the Universe's expansion velocity field, rather than…