The role of magnetic fields in the formation of protostellar discs
The formation of a protostellar disc is a natural outcome during the star formation process.
As gas in a molecular cloud core collapses under self-gravity, the angular momentum of the …
As gas in a molecular cloud core collapses under self-gravity, the angular momentum of the …
Numerical methods for simulating star formation
R Teyssier, B Commerçon - Frontiers in Astronomy and Space …, 2019 - frontiersin.org
We review the numerical techniques for ideal and non-ideal magneto-hydrodynamics (MHD)
used in the context of star formation simulations. We outline the specific challenges offered …
used in the context of star formation simulations. We outline the specific challenges offered …
Ambipolar diffusion in low-mass star formation-I. General comparison with the ideal magnetohydrodynamic case
Angular momentum transport and the formation of rotationally supported structures are
major issues in our understanding of protostellar core formation. Whereas purely …
major issues in our understanding of protostellar core formation. Whereas purely …
Radiation magnetohydrodynamic simulations of protostellar collapse: nonideal magnetohydrodynamic effects and early formation of circumstellar disks
The transport of angular momentum by magnetic fields is a crucial physical process in the
formation and evolution of stars and disks. Because the ionization degree in star-forming …
formation and evolution of stars and disks. Because the ionization degree in star-forming …
Radiation magnetohydrodynamic simulations of protostellar collapse: protostellar core formation
K Tomida, K Tomisaka, T Matsumoto… - The Astrophysical …, 2012 - iopscience.iop.org
We report the first three-dimensional radiation magnetohydrodynamic (RMHD) simulations
of protostellar collapse with and without Ohmic dissipation. We take into account many …
of protostellar collapse with and without Ohmic dissipation. We take into account many …
Magnetically driven accretion in protoplanetary discs
We characterize magnetically driven accretion at radii between 1 and 100 au in
protoplanetary discs, using a series of local non-ideal magnetohydrodynamic (MHD) …
protoplanetary discs, using a series of local non-ideal magnetohydrodynamic (MHD) …
Protostellar disc formation enabled by removal of small dust grains
It has been shown that a realistic level of magnetization of dense molecular cloud cores can
suppress the formation of a rotationally supported disc (RSD) through catastrophic magnetic …
suppress the formation of a rotationally supported disc (RSD) through catastrophic magnetic …
Dust coagulation and fragmentation in a collapsing cloud core and their influence on non-ideal magnetohydrodynamic effects
We determine the time-evolution of the dust particle size distribution during the collapse of a
cloud core, accounting for both dust coagulation and dust fragmentation, to investigate the …
cloud core, accounting for both dust coagulation and dust fragmentation, to investigate the …
Decoupling of magnetic fields in collapsing protostellar envelopes and disc formation and fragmentation
Efficient magnetic braking is a formidable obstacle to the formation of rotationally supported
discs (RSDs) around protostars in magnetized dense cores. We have previously shown …
discs (RSDs) around protostars in magnetized dense cores. We have previously shown …
Protostellar collapse: the conditions to form dust-rich protoplanetary disks
U Lebreuilly, B Commerçon, G Laibe - Astronomy & Astrophysics, 2020 - aanda.org
Context. Dust plays a key role during star, disk, and planet formation. Yet, its dynamics
during the protostellar collapse remain a poorly investigated field. Recent studies seem to …
during the protostellar collapse remain a poorly investigated field. Recent studies seem to …