5 papers · 1 filter
Dust dynamics in disk dust traps and late planetesimal formation
Maya Tatarelli, Alessandro Morbidelli, Elena Lega
The streaming instability is the leading model for planetesimal formation in protoplanetary disks, but it typically operates within the first ~Myr. In the Solar System, however, so…
The reflex instability: exponential growth of a large-scale mode in astrophysical discs
Aurélien Crida, Clément Baruteau, Jean-François Gonzalez +5
We report the finding of a linear, non-axisymmetric, global instability in gas discs around stars, which may be relevant to other astrophysical discs. It takes the form of an …
On the formation of multiple dust-trapping rings in the inner Solar system
E. Lega, A. Morbidelli, F. Masset +1
Isotopic properties of meteorites provide evidence that multiple dust trap or pressure bumps had to form and persist in the inner Solar System on a timescale of millions of years.…
On inertial forces (indirect terms) in problems with a central body
Aurélien Crida, Clément Baruteau, Philippine Griveaud +14
Gravitational systems in astrophysics often comprise a body -- the primary -- that far outweights the others, and which is taken as the centre of the reference frame. A fictitious…
Gas dynamics around a Jupiter mass planet: II. Chemical evolution of circumplanetary material
Alex J. Cridland, Elena Lega, Myriam Benisty
In an ongoing effort to understand planet formation the link between the chemistry of the protoplanetary disk and the properties of resulting planets have long been a subject of in…