Streaming Instabilities in Protoplanetary Disks

Abstract

Interpenetrating streams of solids and gas in a Keplerian disk produce a local, linear instability. The two components mutually interact via aerodynamic drag, which generates radial drift and triggers unstable modes. The secular instability does not require self-gravity, yet it generates growing particle density perturbations that could seed planetesimal formation. Growth rates are slower than dynamical, but faster than radial drift, timescales. Growth rates, like streaming velocities, are maximized for marginal coupling (stopping times comparable dynamical times). Fastest growth occurs when the solid to gas density ratio is order unity and feedback is strongest. Curiously, growth is strongly suppressed when the densities are too nearly equal. The relation between background drift and wave properties is explained by analogy with Howard's semicircle theorem. The three-dimensional, two-fluid equations describe a sixth order (in the complex frequency) dispersion relation. A terminal velocity approximation allows simplification to an approximate cubic dispersion relation. To describe the simplest manifestation of this instability, we ignore complicating (but possibly relevant) factors like vertical stratification, dispersion of particle sizes, turbulence, and self-gravity. We consider applications to planetesimal formation and compare our work to other studies of particle-gas dynamics.

26 pages, 8 figures, submitted to ApJ

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• Investigating Gravitational Collapse of a Pebble Cloud to form Transneptunian Binaries
• Polydisperse Streaming Instability II. Methods for solving the linear stability problem
• Turbulence Induced Collision Velocities and Rates between Different Sized Dust Grains
• On vertical variations of gas flow in protoplanetary disks and their impact on the transport of solids
• The fate of planetesimals formed at planetary gap edges
• Radially resolved simulations of collapsing pebble clouds in protoplanetary discs
• The role of the drag force in the gravitational stability of dusty planet forming disc -- I. Analytical theory
• Learning about comets from the study of mass distributions and fluxes of meteoroid streams
• Turbulent Dust-trapping Rings as Efficient Sites for Planetesimal Formation
• Resilience of Planetesimal Formation in Weakly-Reinforced Pressure Bumps
• Nonlinear Evolution of the Resonant Drag Instability in Magnetized Gas
• Dust delivery and entrainment in photoevaporative winds
• Forming the Cold Classical Kuiper Belt in a light Disk
• Evolution of the parent body of enstatite (EL) chondrites
• Constraints on planetesimal accretion inferred from particle-size distribution in CO chondrites
• A Smoking Gun for Planetesimal Formation: Charge Driven Growth into a New Size Range
• Influences of three-dimensional gas flow induced by protoplanets on pebble accretion --$\mathrm{I}$. shear regime
• Pebble accretion in class 0/I YSOs as a possible pathway for early planet formation
• Nonlinear Evolution of Instabilities Between Dust and Sound Waves
• Dust Coagulation Reconciles Protoplanetary Disk Observations with the Vertical Shear Instability. I. Dust Coagulation and the VSI Dead Zone
• FAUST IX. Multi-band, multi-scale dust study of L1527 IRS. Evidence for dust properties variations within the envelope of a Class 0/I YSO
• Linking planetesimal and dust content in protoplanetary disks via a local toy model
• Planetesimal formation around the snow line. II. Dust or pebbles?
• Planetesimal formation at the gas pressure bump following a migrating planet I. Basic characteristics of the new formation model
• Collisional heating and compaction of small bodies: Constraints for their origin and evolution
• Dust traps as planetary birthsites: basics and vortex formation
• Analytic Expressions for the Inner-Rim Structure of Passively Heated Protoplanetary Disks
• Effects of Ringed Structures and Dust Size Growth on Millimeter Observations of Protoplanetary Disks
• Turbulence induced collisional velocities and density enhancements: large inertial range results from shell models
• Tracking Dust Grains During Transport and Growth in Protoplanetary Disks
• An inflationary disk phase to explain extended protoplanetary dust disks
• Evidence for Pebbles in Comets
• On the Vertical Shear Instability in Magnetized Protoplanetary Disks
• Chondrule Formation via Impact Jetting Triggered by Planetary Accretion
• Is the gap in the DS Tau disc hiding a planet?
• Coagulation Instability in Protoplanetary Disks: A Novel Mechanism Connecting Collisional Growth and Hydrodynamical Clumping of Dust Particles
• Origin and dynamical evolution of the asteroid belt
• Spontaneous concentrations of solids through two-way drag forces between gas and sedimenting particles
• The formation of wide exoKuiper belts from migrating dust traps
• Fragmentation with Discontinuous Galerkin schemes: Non-linear fragmentation
• Are Pebble Pile Planetesimals Doomed?
• Implications of Jupiter Inward Gas-Driven Migration for the Inner Solar System
• Establishing Dust Rings and Forming Planets Within Them
• Radiatively heated, protoplanetary discs with dead zones. I. Dust settling and thermal structure of discs around M stars
• Are there any pristine comets? Constraints from pebble structure
• Close-in Super-Earths: The first and the last stages of planet formation in an MRI-accreting disc
• Evolution of MU69 from a binary planetesimal into contact by Kozai-Lidov oscillations and nebular drag
• The impact of pre-main sequence stellar evolution on midplane snowline locations and C/O in planet forming discs
• Multi-wavelength observations of protoplanetary discs as a proxy for the gas disc mass
• Dust dynamics and vertical settling in gravitoturbulent protoplanetary discs
• On dust-gas gravitational instabilities in protoplanetary discs
• Dust Settling in Magnetorotationally-Driven Turbulent Discs II: The Pervasiveness of the Streaming Instability and its Consequences
• Origin and Evolution of Jupiter's Trojan Asteroids
• A Self-Consistent Model for Dust-Gas Coupling in Protoplanetary Disks
• Electric heating and angular momentum transport in laminar models of protoplanetary disks
• Dust dynamics in RAMSES -- I. Methods and turbulent acceleration
• Toroidal vortices as a solution to the dust migration problem
• On the Origin of Dust Structures in Protoplanetary Disks: Constraints from the Rossby Wave Instability
• Implications for the collisional strength of Jupiter Trojans from the Eurybates family
• From Planetesimal to Planet in Turbulent Disks. II. Formation of Gas Giant Planets
• Vortex instabilities triggered by low-mass planets in pebble-rich, inviscid protoplanetary discs
• Properties of Density and Velocity Gaps Induced by a Planet in a Protoplanetary Disk
• New growth mechanism of dust grains in protoplanetary disks with magnetically driven disk winds
• Channels for streaming instability in dusty discs
• On the secular behavior of dust particles in an eccentric protoplanetary disk with an embedded massive gas giant planet
• Dust Concentration at the Boundary Between Steady Super/Sub-Keplerian Flow Created by Inhomogeneous Growth of MRI
• The circulation of dust in protoplanetary discs and the initial conditions of planet formation
• Growth of Aggregates with Liquid-Like Ice-Shells in Protoplanetary Discs
• The ALMA survey to Resolve exoKuiper belt Substructures (ARKS) II. The radial structure of debris discs
• Dynamical origin of the Dwarf Planet Ceres
• Constraining planet formation around 6$M_{\odot }$-8$M_{\odot }$ stars
• On the non-axisymmetric fragmentation of rings generated by the Secular Gravitational Instability
• Morphological signatures induced by dust back reaction in discs with an embedded planet
• Vertical settling of pebbles in turbulent circumbinary discs and the in situ formation of circumbinary planets
• Observing protoplanetary discs with the Square Kilometre Array -- I. Characterising pebble substructure caused by forming planets
• Dynamical avenues for Mercury's origin II: in-situ formation in the inner terrestrial disk
• Bi-lobed Shape of Comet 67P from a Collapsed Binary
• Chondrule destruction in nebular shocks
• Formation of pebbles in (gravito-)viscous protoplanetary disks with various turbulent strengths
• Which stars can form planets: Planetesimal formation at low metallicities
• Thermal processing of primordial pebbles in evolving protoplanetary disks
• Constraining the turbulence and the dust disk in IM Lup: onset of planetesimal formation
• Two saturated states of the vertical shear instability in protoplanetary disks with vertically varying cooling times
• Breakthrough revisited: investigating the requirements for growth of dust beyond the bouncing barrier
• Streaming instabilities in accreting and magnetized laminar protoplanetary disks
• Planetesimal formation around the snow line: I. Monte Carlo simulations of silicate dust pile-up in a turbulent disk
• Clustering and energy spectra in two-dimensional dusty gas turbulence
• Compaction during fragmentation and bouncing produces realistic dust grain porosities in protoplanetary discs
• Observation of bottom-up formation for charged grain aggregates related to pre-planetary evolution beyond the bouncing barrier
• The Roles of Dust Growth in the Temperature Evolution and Snow Line Migration in Magnetically Accreting Protoplanetary Disks
• Migrating Low-Mass Planets in Inviscid Dusty Protoplanetary Discs
• High resolution observations of molecular emission lines toward the CI Tau proto-planetary disc: planet-carved gaps or shadowing?
• Promoted Mass Growth of Multiple, Distant Giant Planets through Pebble Accretion and Planet-Planet Collision
• Dust Accumulation near the Magnetospheric Truncation of Protoplanetary Discs around T Tauri Stars
• Revisiting collisional dust growth in Class 0/I protostellar disks: Sweep-up can convert a few $10M_{\oplus }$ of dust into kg pebbles in 0.1 Myr
• Dynamical Evolution of Closely Packed Multiple Planetary Systems Subject to Atmospheric Mass-Loss
• Streaming instability in a global patch simulation of protoplanetary disks
• The radial structure of planetary bodies formed by the streaming instability
• Instabilities in dusty non-isothermal proto-planetary discs
• Growing the seeds of pebble accretion through planetesimal accretion
• Primordial Dusty Rings and Episodic Outbursts in Protoplanetary Discs
• N-Body Simulation of Planetesimal Formation through Gravitational Instability of a Dust Layer in Laminar Gas Disk
• Dust-vortex instability in the regime of well-coupled grains
• The rapid formation of macromolecules in irradiated ice of protoplanetary disk dust traps
• Dust Coagulation Regulated by Turbulent Clustering in Protoplanetary Disks
• Migrating Planets into Ultra-Short-Period Orbits during Episodic Accretion Events
• Are SMBHs shrouded by "super-Oort" clouds of comets and asteroids?
• Thermal inertias of pebble-pile comet 67P/Churyumov-Gerasimenko
• The dimming of RW Auriga. Is dust accretion preceding an outburst?
• Solving for the 2D Water Snowline with Hydrodynamic Simulations. Emergence of gas outflow, water cycle and temperature plateau
• The growth of super-large pre-planetary pebbles to an impact erosion limit
• Grain Growth During Protostellar Disk Formation
• Formation of Lunar Basins from Impacts of Leftover Planetesimals
• Three-dimensional transport of solids in a protoplanetary disk containing a growing giant planet
• Dynamical Implantation of Blue Binaries in the Cold Classical Kuiper Belt
• Implementation of dust particles in three-dimensional magnetohydrodynamics simulation: Dust dynamics in a collapsing cloud core
• Electromagnetic streaming instabilities of magnetized accretion disks with strong collisional coupling of species
• Gap-opening Planets Make Dust Rings Wider
• Global Modeling of Nebulae With Particle Growth, Drift, and Evaporation Fronts. II. The Influence of Porosity on Solids Evolution
• First Images of the Protoplanetary Disk Around PDS 201
• High Resolution Study of Planetesimal Formation by Gravitational Collapse of Pebble Clouds
• Streaming instability on different scales. I. Planetesimal mass distribution variability
• The observational impact of dust trapping in self-gravitating discs
• Planetary core formation via multi-species pebble accretion
• Drifting inwards in protoplanetary discs I Sticking of chondritic dust at increasing temperatures
• Presolar grain dynamics: creating nucleosynthetic variations through a combination of drag and viscous evolution
• AB Aurigae: Possible evidence of planet formation through the gravitational instability
• Instabilities and Flow Structures in Protoplanetary Disks: Setting the Stage for Planetesimal Formation
• TriPoD: Tri-Population size distributions for Dust evolution. Coagulation in vertically integrated hydrodynamic simulations of protoplanetary disks
• Dense Particle Clouds in Laboratory Experiments in Context of Drafting and Streaming Instability
• Growth after the streaming instability: The radial distance dependence of the planetary growth
• Planetesimal formation via the streaming instability with multiple grain sizes
• Closeby Habitable Exoplanet Survey (CHES). I. Astrometric Noise and Planetary Detection Efficiency due to Stellar Spots and Faculae
• Turbulence in particle laden midplane layers of planet forming disks
• The Spherically Symmetric Gravitational Collapse of a Clump of Solids in a Gas
• FAUST. XVIII. Evidence for annular substructure in a very young Class 0 disk
• Dust-Gas Coupling in Turbulence- and MHD Wind-Driven Protoplanetary Disks: Implications for Rocky Planet Formation
• Dynamics of dust grains in turbulent molecular clouds. Conditions for decoupling and limits of different numerical implementations
• The growth of super-Earths: the importance of a self-consistent treatment of disc structures and pebble accretion
• Rethinking the role of the giant planet instability in terrestrial planet formation models
• A low accretion efficiency of planetesimals formed at planetary gap edges
• Can the giant planets of the Solar System form via pebble accretion in a smooth protoplanetary disc?
• Limits on the number of primordial Scattered Disk objects at Pluto mass and higher from the absence of their dynamical signatures on the present day trans-Neptunian Populations
• Dust-gas dynamics driven by the streaming instability with various pressure gradients
• The effect of the streaming instability on protoplanetary disc emission at millimetre wavelengths
• Mercury's formation within the Early Instability Scenario
• A brief overview of planet formation
• Extreme Pebble Accretion in Ringed Protoplanetary Discs
• Interstellar planetesimals: potential seeds for planet formation?
• Combined Effects of Disk Winds and Turbulence-Driven Accretion on Planet Populations
• Planetesimal and planet formation in transient dust traps
• The cosmochemistry of planetary systems
• Dynamical rearrangement of super-Earths during disk dispersal II. Assessment of the magnetospheric rebound model for planet formation scenarios
• Positive Feedback: How a Synergy Between the Streaming Instability and Dust Coagulation Forms Planetesimals
• Termination of an inward migration of a gap-opening planet triggered by dust feedback
• Global drag-induced instabilities in protoplanetary disks
• Drag enhancement in a dusty Kolmogorov flow
• Composition, Structure and Origin of the Moon
• N-Body Simulation of Planetesimal Formation through Gravitational Instability and Coagulation. II. Accretion Model
• Connecting Planetary Composition with Formation
• Rotational Disruption of Porous Dust Aggregates due to Gas Flow in Protoplanetary Disks
• MRI-active inner regions of protoplanetary discs. II. Dependence on dust, disc and stellar parameters
• Planetesimal Formation by Gravitational Instability of a Porous-Dust Disk
• Shape models and spin states of Jupiter Trojans: Testing the streaming instability formation scenario
• Millimeter emission in photoevaporating disks is determined by early substructures
• Polydisperse Formation of Planetesimals: The dust size distribution in clumps
• Fast formation of large ice pebbles after FU Orionis outbursts
• Close TNO Passages as a Driver of the Origin and Evolution of Ultra-Wide Kuiper Belt Binaries
• Migration traps as the root cause of the Kepler dichotomy
• Self-Sustaining Vortices in Protoplanetary Disks: Setting the Stage for Planetary System Formation
• A "no-drift" runaway pile-up of pebbles in protoplanetary disks in which midplane turbulence increases with radius
• United Theory of Planet Formation (I): Tandem Regime
• Are the Formation and Abundances of Metal-Poor Stars the Result of Dust Dynamics?
• Erosion of planetesimals by gas flow
• Growing dust grains in protoplanetary discs - I. Radial drift with toy growth models
• Effect of Different Angular Momentum Transport mechanisms on the Distribution of Water in Protoplanetary Disks
• Electron Heating and Saturation of Self-regulating Magnetorotational Instability in Protoplanetary Disks
• Investigating the Bouncing Barrier with Collision Simulations of Compressed Dust Aggregates
• Massive Protostellar Disks as a Hot Laboratory of Silicate Grain Evolution
• Infall and Disk Processes - the Message from Meteorites
• Experimental study of clusters in dense granular gas and implications for the particle stopping time in protoplanetary disks
• Nonlinear evolution of streaming instabilities in accreting protoplanetary disks
• Dust accretion in binary systems: implications for planets and transition discs
• A slim disc approach to external photoevaporation of discs
• Formation of the First Planetesimals via the Streaming Instability in Globally Turbulent Protoplanetary Disks?
• Global Modeling of Nebulae With Particle Growth, Drift, and Evaporation Fronts. III. Redistribution of Refractories and Volatiles
• FAUST XXVI. The dust opacity spectral indices of protostellar envelopes bridge the gap between interstellar medium and disks
• Dynamics of Porous Dust Aggregates and Gravitational Instability of Their Disk
• Evolution of $\alpha$ Centauri B's protoplanetary disc
• Flux-Limited Diffusion Approximation Models of Giant Planet Formation by Disk Instability. II. Quadrupled Spatial Resolution
• Formation of "Blanets" from Dust Grains around the Supermassive Black Holes in Galaxies
• TEMPus VoLA: the Timed Epstein Multi-pressure Vessel at Low Accelerations
• Planet formation and disk mass dependence in a pebble-driven scenario for low mass stars
• A Pluto-Charon Sonata III. Growth of Charon from a Circum-Pluto Ring of Debris
• Nonlinear Outcome of Coagulation Instability in Protoplanetary Disks II: Dust Ring Formation Mediated by Backreaction and Fragmentation
• Observation of aerodynamic instability in the flow of a particle stream in a dilute gas
• Multi-Particle Collisions in Microgravity: Coefficient of Restitution and Sticking Threshold for Systems of Mm-Sized Particles
• A Mixed Stirring Mechanism for Debris Discs with Giant and Dwarf Planetary Perturbations
• Formation of multiple-planet systems in resonant chains around M dwarfs
• Erosion driven size-redistribution of protoplanetary disk solids and the onset of streaming Instability and Pebble Accretion
• On the interaction of pebble accreting embryos with the gaseous disc: importance of thermal forces
• Meridional Circulation driven by Planetary Spiral Wakes in Radiative and Magnetized Protoplanetary Discs
• Superparticle Method for Simulating Collisions
• Chondrules from high-velocity collisions: thermal histories and the agglomeration problem
• The Formation of the Cold Classical Kuiper Belt by a Short Range Transport Mechanism
• The Acoustic Resonant Drag Instability with a Spectrum of Grain Sizes
• Resistive double-diffusive instability in the dead-zones of protostellar disks
• Ejection of Chondrules from Fluffy Matrices
• Planetesimal formation via the streaming instability in simulations of infall dominated young disks
• Destruction of eccentric planetesimals by ram pressure and erosion
• Semarkona: Lessons for chondrule and chondrite formation
• Simulation of Thermal Surface Waves in a Protoplanetary Disk in a Two-Dimensional Approximation
• Dynamics of Dusty Vortices II: Stability of 2D dust laden vortices
• Evolution of circumbinary protoplanetary disks with photoevaporative winds driven by External Far Ultraviolet Radiation
• Laboratory Experiments on the Motion of Dense Dust Clouds
• Seeing the unseen: a method to detect unresolved rings in protoplanetary disks
• Formation of super-Earths and mini-Neptunes from rings of planetesimals
• Primordial dust rings, hidden dust mass, and the first generation of planetesimals in gravitationally unstable protoplanetary disks
• A smoothed particle hydrodynamics algorithm for multigrain dust with separate sets of particles
• Selective Aggregation Experiments on Planetesimal Formation and Mercury-Like Planets
• Dynamic role of dust in formation of molecular clouds
• Nonlinear Outcome of Coagulation Instability in Protoplanetary Disks I: First Numerical Study of Accelerated Dust Growth and Dust Concentration at Outer Radii
• The resonant drag instability of dust streaming in turbulent protoplanetary disc
• Dynamic evolution of major element chemistry in protoplanetary disks and its implications for chondrite formation
• Dust ring and gap formation by gas flow induced by low-mass planets embedded in protoplanetary disks $\mathrm{I}$. Steady-state model
• Multi-frequency analysis of the ALMA and VLA high resolution continuum observations of the substructured disc around CI Tau. Preference for sub-mm-sized low-porosity amorphous carbon grains
• Local stability of self-gravitating fluid disks made of two components in relative motion
• Formation of inner planets in the presence of a Cold Jupiter: orbital evolution and relative velocities of planetesimals
• Dust grain shattering in protoplanetary discs: collisional fragmentation or rotational disruption?
• Formation of Multiple Dynamical Classes in the Kuiper Belt via Disk Dissipation
• On Secular Gravitational Instability in Vertically Stratified Disks
• Accretion of eroding pebbles and planetesimals in planetary envelopes
• Accretion bursts in young intermediate-mass stars make planet formation challenging
• Curveballs in protoplanetary disks - the effect of the Magnus force on planet formation
• The Limited Role of the Streaming Instability During Moon and Exomoon Formation
• Aggregate Growth and Internal structures of Chondrite Parent Bodies Forming from Dense Clumps
• Conglomeration of kilometre-sized planetesimals
• The New Generation Planetary Population Synthesis (NGPPS). VII. Statistical comparison with the HARPS/Coralie survey
• Hidden under a warm blanket: If planets existed in protostellar disks, they would hardly produce observable substructures
• Planetesimals on eccentric orbits erode rapidly
• On the evolution of pebble-accreting planets in evolving protoplanetary discs
• Collisional Growth Within the Solar System's Primordial Planetesimal Disk and the Timing of the Giant Planet Instability
• The Mysterious Affair of the H${}_2$ in AU Mic
• Two evolutional paths of an axisymmetric gravitational instability in the dust layer of a protoplanetary disk
• Effects of Chemistry on Vertical Dust Motion in Early Protoplanetary Disks
• Simulations of Small Solid Accretion onto Planetesimals in the Presence of Gas
• Dust Dynamics in Transitional Disks: Clumping and Disk Recession
• Properties of outer solar system pebbles during planetesimal formation from meteor observations
• Eccentric dust ring formation in Kozai-Lidov gas disks
• From traffic jams to roadblocks: The outer regions of TW Hya with ALMA Band 8
• Prograde spin-up during gravitational collapse
• Electromagnetic instabilities in rotating magnetized viscous objects
• Particle clustering in turbulence: Prediction of spatial and statistical properties with deep learning
• Strong clumping in global streaming instability simulations with a dusty fluid
• Collisional heating of icy planetesimals. I. Catastrophic collisions
• Pebble accretion in self-gravitating protostellar discs
• Simulations of thermal surface waves in a protoplanetary disk using 1+1D approximation
• Stability of Dusty Rings in Protoplanetary Discs
• M dwarf stars in the light of (future) exoplanet searches
• Planetesimal Growth in Evolving Protoplanetary Disks: Constraints from the Pebble Supply
• Planetesimal Dynamics in the Presence of a Giant Planet II: Dependence on Planet Mass and Eccentricity
• Preferential concentration in the particle-induced convective instability
• Morphology and dynamical stability of self-gravitating vortices: Numerical simulations
• Detection of H${}_2$ in the TWA 7 System: A Probable Circumstellar Origin
• Understanding the trans-Neptunian Solar system: Reconciling the results of serendipitous stellar occultations and the inferences from the cratering record
• Abundance analysis of stars hosting gas-rich debris disks
• Resonant Drag Instabilities for Polydisperse Dust, I. The Acoustic Resonant Drag Instability
• Resonant drag instabilities for polydisperse dust. II. The streaming and settling instabilities
• How disc initial conditions sculpt the atmospheric composition of giant planets
• A Self-Consistent Reduced Model for Dusty Magnetorotationally Unstable Discs
• A Non-Primordial Origin for the Widest Binaries in the Kuiper Belt
• C/O ratios in self-gravitating protoplanetary discs with dust evolution
• Probing Inner-Edge of Dead Zones in Protoplanetary Disks with ALMA and Next Generation Very Large Array
• Dust concentration and chondrule formation
• A "no-drift" runaway pile-up of pebbles in protoplanetary disks II. Characteristics of the resulting planetesimal belt
• Filament formation due to diffusive instabilities in dusty protoplanetary disks
• JWST Spectroscopy of a Blue Binary Cold Classical Kuiper Belt Object
• SHAMPOO: A stochastic model for tracking dust particles under the influence of non-local disk processes
• Forming equal mass planetary binaries via pebble accretion
• Does the Streaming Instability exist within the Terminal Velocity Approximation?
• Exploring the conditions for forming planetesimals by the streaming instability and planetary systems by pebble accretion
• The Dissolution of Planetesimals in Electrostatic Fields
• The Influence of Magnetic Field Geometry on the Formation of Close-in Exoplanets
• Gas permeability and mechanical properties of dust grain aggregates at hyper- and zero-gravity
• A new multifluid method for dusty astrophysical flows. Application to turbulent protostellar collapses
• Photophoretic Levitation and Trapping of Dust in the Inner Regions of Protoplanetary Disks
• Dust trapping in protoplanetary discs after stellar flybys
• Early Solar System Turbulence Constrained by High Oxidation States of the Oldest Non-Carbonaceous Planetesimals
• Kelvin-Helmholtz Instabilities in Multi-Sized Dust Layers
• Rossby wave instability in weakly ionized protoplanetary disks. II. radial B-fields
• Aeolian erosion in protoplanetary discs: How impactful it is on dust evolution?
• The Drag Instability in a 1D Isothermal C-Shock
• On The Spin Dynamics of Elongated Minor Bodies with Applications to a Possible Solar System Analogue Composition for `Oumuamua
• Resonant instabilities mediated by drag and electrostatic interactions in laboratory and astrophysical dusty plasmas
• Explosive instability of dust settling in a protoplanetary disc
• Positive Feedback II: How Dust Coagulation inside Vortices Can Form Planetesimals at Low Metallicity
• Timescales diagnostics for saving viscous and MHD-driven dusty discs from external photoevaporation
• Models and Observational Predictions of Dust Traps in Protoplanetary Discs
• Diversity of Exoplanets
• Effects of Stellar X-ray Photoevaporation on Planetesimal Formation via the Streaming Instability
• The Impact of Silicate Grain Coagulation on Millimeter Emission from Massive Protostellar Disks
• Forming Earth-like and Low-Mass Rocky Exoplanets Through Pebble and Planetesimal Accretion
• Laboratory modeling of MHD accretion disks
• Dynamics and Origin of Comets: New Problems Appeared after the Rosetta Space Mission
• Single Fluid vs. Multifluid: Comparison between single fluid and multifluid dust models for disc planet interactions
• Enhanced Pebble Drift Across Planet-Opened Gaps in Windy Protoplanetary Disks
• Evading the dust fragmentation barrier with the streaming instability in protoplanetary disks
• Modelling dust coagulation, dynamical drag and turbulent mixing during star and disc formation
• Considering contact forces during the formation of planetesimals by gravitational collapse: mutual orbits, spin states, and shapes
• Disentangling Planets from Photoelectric Instability in Gas-Rich Optically Thin Dusty Disks
• Linear Analysis of the Nonaxisymmetric Secular Gravitational Instability
• A Collective Trigger for Widespread Planetesimal Formation Revealed by Accretion Ages
• Thermally driven spontaneous dust accumulation in the inner regions of protoplanetary disks
• Dust Growth in ALMA Rings: II. Dusty Rossby Wave Instability
• Quantitative Nonequilibrium Pathway from Fundamental Physics to the Emergence and Persistence of Exoplanetary Biospheres
• A Pathway for Collisional Planetesimal Growth in the Ice-Dominant Regions of Protoplanetary Disks
• The Luminosity Function of Ultra-Faint Trans-Neptunian Objects Detected by JWST
• On the dynamics of pebbles in protoplanetary disks with magnetically-driven winds
• The Possibility of the Kelvin-Helmholtz Instability during Sedimentation of Dust Grains in the Protoplanetary Disk
• Gravito-turbulent bi-fluid protoplanetary discs: 1. An analytical perspective to stratification
• Drag-driven instability of a dust layer in a magnetized protoplanetary disc
• Occultation constraints on solar system formation models
• Nonlinear Evolution of the Unstratified Polydisperse Dust Settling Instability
• Hydrodynamical simulations of the vertical shear instability with dynamic dust and cooling rates in protoplanetary disks
• Constraining protoplanetary disc mass using the GI wiggle
• A semi-analytical model of the outer structure of protoplanetary discs formed by the collapse of a rotating molecular cloud
• Direct contact binary planetesimal formation from gravitational collapse
• Formation of Water-rich Giant Planet Satellites at Decretion Disk Ice Lines
• A multi-fluid approach for polydisperse pebble accretion: From particles to fluids, establishing the multifluid framework
• Observations of highly inclined disks with ALMA. Results from 12CO gas and continuum observations
• The Influence of the Fractal Dimension on Dust Evolution in Protoplanetary Disks
• Reading between the rings: observed dust ring properties as probes of planet masses
• Inside-Out Planet Formation: VI. Oligarchic Coagulation of Planetesimals from a Pebble Ring?
• Setting the Stage: The Early History of the Solar System
• Spiral formation caused by late infall onto protoplanetary disks
• Experimental evidence for granular shear-flow instability in the Epstein regime
• Streaming instabilities in accreting protoplanetary disks: A parameter study
• The Onset of Chaos in Permanently Deformed Binaries from Spin-Orbit and Spin-Spin Coupling
• Rapid Formation of Super-Earths Around Low-Mass Stars
• Acceleration of planetary migration: Resonance crossing and planetesimal ring
• Dynamical stability of giant planets: the critical adiabatic index in the presence of a solid core
• Planetesimal gravitational collapse in a gaseous environment: Thermal and dynamic evolution
• A close-encounter method for simulating the dynamics of planetesimals
• Radioactive Planet Formation
• Planetesimal formation at the gas pressure bump following a migrating planet II. Effects of dust growth
• Dust-driven vortex cascades originating at water snow regions: A pathway to planetesimal formation
• Early Initiation of Inner Solar System Formation at Dead-Zone Inner Edge
• Dust Dynamics in Hall-effected Protoplanetary Disks. I. Background Drift Hall Instability
• Magnetic clumping of charged dust in the dense interstellar medium
• Comets in context: Comparing comet compositions with protosolar nebula models