Growth of Magnetorotational Instability in Circumstellar Disks around Class 0 Protostars

Abstract

We investigate the possibility of the growth of magnetorotational instability (MRI) in disks around Class 0 protostars. We construct a disk model and calculate the chemical reactions of neutral and charged atoms, molecules and dust grains to derive the abundance of each species and the ionization degree of the disk. Then, we estimate the diffusion coefficients of non-ideal magnetohydrodynamics effects such as ohmic dissipation, ambipolar diffusion and the Hall effect. Finally, we evaluate the linear growth rate of MRI in each area of the disk. We investigate the effect of changes in the strength and direction of the magnetic field in our disk model and we adopt four different dust models to investigate the effect of dust size distribution on the diffusion coefficients. Our results indicate that an MRI active region possibly exists with a weak magnetic field in a region far from the protostar where the Hall effect plays a role in the growth of MRI. On the other hand, in all models the disk is stable against MRI in the region within $<20$ au from the protostar on the equatorial plane. Since the size of the disks in the early stage of star formation is limited to $\lesssim 10-$$20$ au, it is difficult to develop MRI-driven turbulence in such disks.

arXiv commentAccepted for publication in MNRAS. 43 pages, 12 figures

References in corpus (84)

• Spectral Energy Distributions of T Tauri Stars With Passive Circumstellar Disks
• The UMIST database for astrochemistry 2012
• Wind-driven Accretion in Protoplanetary Disks. I: Suppression of the Magnetorotational Instability and Launching of the Magnetocentrifugal Wind
• Linear and nonlinear evolution of the vertical shear instability in accretion discs
• Magnetorotational Instability in Protoplanetary Disks. II. Ionization State and Unstable Regions
• Trapping dust particles in the outer regions of protoplanetary disks
• Linear Analysis of the Hall Effect in Protostellar Disks
• Protostellar disk formation and transport of angular momentum during magnetized core collapse
• Weak Turbulence in the HD 163296 Protoplanetary Disk Revealed by ALMA CO Observations
• Global simulations of protoplanetary disks with ohmic resistivity and ambipolar diffusion
• A Three-Dimensional View of Turbulence: Constraints on Turbulent Motions in the HD 163296 Protoplanetary Disk using DCO${}^{+}$
• Thanatology in Protoplanetary Discs: the combined influence of Ohmic, Hall, and ambipolar diffusion on dead zones
• The Balbus-Hawley instability in weakly ionised discs
• Disk Winds Driven by Magnetorotational Instability and Dispersal of Proto-Planetary Disks
• Global simulations of protoplanetary disks with net magnetic flux: I. Non-ideal MHD case
• Local Study of Accretion Disks with a Strong Vertical Magnetic Field: Magnetorotational Instability and Disk Outflow
• Magnetic fields in protoplanetary disks
• The conductivity of dense molecular gas
• Collapse of a Molecular Cloud Core to Stellar Densities: The First Three-Dimensional Calculations
• Molecular hydrogen formation in the interstellar medium
• Turbulence in the TW Hya Disk
• Hall-effect Controlled Gas Dynamics in Protoplanetary Disks: II. Full 3D Simulations toward the Outer Disk
• Heat and Dust in Active Layers of Protostellar Disks
• Turbulence In the Outer Regions of Protoplanetary Disks. II. Strong Accretion Driven by a Vertical Magnetic Field
• Radiation Magnetohydrodynamic Simulations of Protostellar Collapse: Non-Ideal Magnetohydrodynamic Effects and Early Formation of Circumstellar Disks
• Magnetorotational Instability Driven Accretion in Protoplanetary Disks
• Global Simulations of the Inner Regions of Protoplanetary Disks with Comprehensive Disk Microphysics
• On the Ionisation Fraction in Protoplanetary Disks I: Comparing Different Reaction Networks
• Cooling Requirements for the Vertical Shear Instability in Protoplanetary Disks
• Magnetically driven accretion in protoplanetary discs
• Formation Process of the Circumstellar Disk: Long-term Simulations in the Main Accretion Phase of Star Formation
• Effect of Magnetic Braking on the Circumstellar Disk Formation in a Strongly Magnetized Cloud
• Dead Zone Accretion Flows in Protostellar Disks
• Signs of Early-Stage Disk Growth Revealed with ALMA
• Modeling Magnetorotational Turbulence in Protoplanetary Disks with Dead Zones
• Magnetic fields during the early stages of massive star formation - I. Accretion and disk evolution
• Turbulence In the Outer Regions of Protoplanetary Disks. I. Weak Accretion with No Vertical Magnetic Flux
• Vertical shear instability in accretion disc models with radiation transport
• Effects of Ohmic and ambipolar diffusion on the formation and evolution of the first cores, protostars and circumstellar discs
• Conditions for Circumstellar Disk Formation: Effects of Initial Conditions and Sink Treatment
• Bridging the gap: disk formation in the Class 0 phase with ambipolar diffusion and Ohmic dissipation
• Emergence of Protoplanetary Disks and Successive Formation of Gaseous Planets by Gravitational Instability
• The Origin and Formation of the Circumstellar Disk
• Hall diffusion and the magnetorotational instability in protoplanetary discs
• Magnetically self-regulated formation of early protoplanetary discs
• Decoupling of Magnetic Fields in Collapsing Protostellar Envelopes and Disk Formation and Fragmentation
• On the Linear Stability of Weakly-Ionized, Magnetized Planar Shear Flows
• Ambipolar Diffusion in the Magnetorotational Instability
• Grand Design Spiral Arms in A Young Forming Circumstellar Disk
• Magnetic fields during the early stages of massive star formation - II. A generalised outflow criterion
• Transport and Accretion in Planet-Forming Disks
• Hall-effect Mediated Magnetic Flux Transport in Protoplanetary Disks
• A chemical solver to compute molecule and grain abundances and non-ideal MHD resistivities in prestellar core collapse calculations
• The role of magnetic fields in the formation of protostellar discs
• Energetic Protons, Radionuclides and Magnetic Activity in Protostellar Disks
• There is no magnetic braking catastrophe: Low-mass star cluster and protostellar disc formation with non-ideal magnetohydrodynamics
• Global Hydromagnetic Simulations of Protoplanetary Disks with Stellar Irradiation and Simplified Thermochemistry
• Dust Transport in MRI Turbulent Disks: Ideal and Non-ideal MHD with Ambipolar Diffusion
• Formation and Evolution of Disks around Young Stellar Objects
• Circumstellar disks and outflows in turbulent molecular cloud cores: possible formation mechanism for misaligned systems
• Evolution of Angular Momentum Distribution during Star Formation
• Effect of Grain Size on Differential Desorption of Volatile Species and on Non-ideal MHD Diffusivity
• The Role of Tiny Grains on the Accretion Process in Protoplanetary Disks
• The First Two Thousand Years of Star Formation
• Protostellar Jets Enclosed by Low-velocity Outflows
• Protostellar disks formed from rigidly rotating cores
• The Nonisothermal Stage of Magnetic Star Formation. I. Formulation of the Problem and Method of Solution
• Origin of Weak Turbulence in the Outer Regions of Protoplanetary Disks
• Disk Winds and the Accretion--Outflow Connection
• Non-ideal MHD simulation of HL Tau disk: formation of rings
• Disc formation and fragmentation using radiative non-ideal magnetohydrodynamics
• Formation and evolution of protostellar accretion discs. I. Angular-momentum budget, gravitational self-regulation, and numerical convergence
• The Fate of Planetesimals in Turbulent Disks with Dead Zones. I. The Turbulent Stirring Recipe
• The Co-evolution of Disk and Star in Embedded Stages: The Case of the Very Low-mass Protostar
• Magnetorotational instability and dynamo action in gravitoturbulent astrophysical discs
• The influence of the Hall effect on the global stability of cool protostellar disks
• Early evolution of disk, outflow, and magnetic field of young stellar objects: Impact of dust model
• Gravitoturbulent dynamos in astrophysical discs
• Jet launching from accretion discs in the local approximation
• Dependence of Hall Coefficient on Grain Size and Cosmic Ray Rate and Implication for Circumstellar Disk Formation
• Shearing box simulations of accretion disk winds
• ALMA observations of envelopes around first hydrostatic core candidates
• Magnetorotational instability in magnetic diffusion dominated accretion discs
• Testing Disk Identification Methods Through Numerical Simulations of Protostellar Evolution

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• Formation and evolution of protostellar accretion discs. II. From 3D simulation to a simple semi-analytic model of Class 0/I discs
• Dust coagulation and fragmentation in a collapsing cloud core and their influence on non-ideal magnetohydrodynamic effects
• Dust Motion and Possibility of Dust Growth in a Growing Circumstellar Disk
• Gravitoturbulent dynamo in global simulations of gaseous disks