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Numerical simulation of low-mass planets migrating in dust-laden protoplanetary disks. The top panels show the perturbed gas and dust densities in the disk with initial metallicity 0.3 and particle Stokes number 0.06. The planet location is marked by the white cross. The bottom panel shows the orbital evolution of the two-Earth-mass planet. The planet migration behavior becomes chaotic after 200 orbits once numerous small-scale vortices formed in the vicinity of the planet.
Planet migration in dusty protoplanetary disks
Growth rates of the "vertical shear instability" (VSI) in magnetized disks, showing how magnetization stabilizes the VSI.
Vertical shear instability in magnetized protoplanetary disks
Synthetic observations of vortices formed at the outer gap edge of a planet.
Vortex formation and evolution at planet gaps
Three-dimensional, dust-plus-gas simulation of a protoplanetary disk with an embedded planet. As the planet carves a gap in the disk, dust grains are elevated to high altitudes. Unlike simple 2D models of disk-planet interaction, these simulations show that the dynamics around planet gaps, specifically the dust distribution, is fully three-dimensional, and thus will have important observational implications.
Puffed up dust at planet gaps
Numerical simulation of dust settling in turbulent protoplanetary disks. The color scales show the dust-to-gas ratio on a logarithmic scale. The top panel is taken from a simulation with a solid-to-gas mass ratio of 1%, equal to the interstellar medium value. The bottom panel considers a case with an enhanced solid abundance of 10% the gas mass. The thickness of the dust layer decreases with increasing solid abundance. Adapted from Lin (2019).
Dust settling in turbulent protoplanetary disks
A schematic diagram of the DPNNet (Disk Planet Neural Network) using a fully connected multi-layer perceptron. The first layer in yellow takes as input six feature variables observed from the protoplanetary disk. The output layer in red gives the planet mass as a target variable.
Finding planets using Machine Learning
Structure of linearly unstable modes found in stratified, dusty protoplanetary disks
Streaming instabilities in stratified protoplanetary disks
The "streaming instability" (SI) in a physical protoplanetary disk model.
Making planetesimals in turbulent disks is not easy
Footprints of planet formation. Interaction between a low mass protoplanet and its dusty protoplanetary disk.
Dynamics of Protoplanetary Disk
Isothermal gas with dust is equivalent to pure gas with cooling.
Dust-free modeling of dusty protoplanetary disks
Vortex evolution in a self-gravitating disc (top) and a non-self-gravitating disc (bottom).
3D vortices in self-gravitating discs
Lin, Min-Kai
Associate Research Fellow (Tenured)
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photo of Lin, Min-Kai
Office: ASMAB 1213
TEL: +886-2-2366-5399
FAX: +886-2-2367-7849
Email: mklin_replace2@_asiaa.sinica.edu.tw

Education and Positions

  • Center Scientist and Co-ordinator, NCTS (Astrophysics) (2021~present)
  • Associate Research Fellow, ASIAA (2021~present)
  • Assistant Research Fellow, ASIAA (2016~2021)
  • Steward Theory Fellow, University of Arizona (2014~2016)
  • Postdoctoral Fellow, Canadian Institute for Theoretical Astrophysics (2011~2014)
  • PhD, Theoretical Astrophysics, University of Cambridge (2008~2011)
  • BA and MSci, Natural Sciences (Astrophysics), University of Cambridge (2004~2008)

Honors & Awards

  • Early-Career Investigator Research Achievement Award, Academia Sinica (2023)
  • The Young Scholars' Creativity Award, Foundation for the Advancement of Outstanding Scholarship (2022)
  • Young Theoretical Scholar Award, National Center for Theoretical Sciences (2021)
  • Academia Sinica Career Development Award (2020)
  • Outstanding Young Physicist, The Physical Society of Taiwan (2020)
  • Academic Sinica Initial Employment Academic Research Award (2016)
  • Steward Observatory Prize Fellowship in Theoretical and Computational Astrophysics, University of Arizona (2014)
  • CITA Postdoctoral Fellowship, University of Toronto (2011)
  • Smith Rayleigh Knight Prize, University of Cambridge (2010)
  • St. John’s College Benefactors’ Scholarship, University of Cambridge (2008)
  • Isaac Newton Studentship, University of Cambridge (2008)
  • Overseas Research Scholarship, University of Cambridge (2008)
  • Institute of Astronomy Prize, University of Cambridge (2008)
  • St. Catharine’s College Awarded Bursary, University of Cambridge (2007)
  • St. Catharine’s College JS Wilson Prize for Natural Sciences, University of Cambridge (2006~2008)
  • St. Catharine’s College Skerne Scholarship, University of Cambridge (2005~2008)
  • St. Catharine’s College Book Prize for Academic Distinction, University of Cambridge (2005~2008)

Professional and Academic Societies

  • The Astronomical Society of the Republic of China (Taiwan) (2018~present)
  • The Physical Society of Taiwan (2020~present)
  • International Astronomical Union (2018~present)
  • Fellow of the Cambridge Overseas Society, University of Cambridge (2008)

Research Interests

Min-Kai is interested in theoretical astrophysics. He specializes in astrophysical fluid dynamics applied to planet formation and evolution. His research topics include: protoplanetary disks, hydrodynamic and magneto-hydrodynamic instabilities, planet migration, accretion disk vortices, and dust dynamics. He employs a combination of analytical methods and large-scale numerical simulations.

Publications

Complete List of Publications

My Publications from ADS

Journal Papers affiliated with ASIAA

  1. Bi J; Lin M-K; Dong R, "Gap-opening Planets Make Dust Rings Wider" , ApJ: 942(2), id.80 (13pp), Jan, 2023 [SCI] ( ADS | Fulltext )
  2. Hammer M; Lin M-K, "How to form compact and other longer-lived planet-induced vortices: VSI, planet migration, or re-triggers, but not feedback" , MNRAS: 525(1), 123-149, Oct, 2023 [SCI] ( ADS | Fulltext )
  3. Lehmann M; Lin M-K, "Instabilities in dusty non-isothermal protoplanetary discs" , MNRAS: 522(4), 5892-5930, July, 2023 [SCI] ( ADS | Fulltext )
  4. Lesur G; Ercolano B; Flock M; Lin MK; Yang CC; Barranco JA; Benitez-Llambay P; Goodman J; Johansen A; Klahr H; Laibe G; Lyra W; Marcus P; Nelson RP; Squire J; Simon JB; Turner N; Umurhan OM; Youdin AN, "Hydro-, Magnetohydro-, and Dust-Gas Dynamics of Protoplanetary Disks" , Protostars and Planets: VII, (32pp), 2023, Accepted [SCI] ( ADS | Fulltext )
  5. Wu Y; Chen Y-X; Jiang H; Dong R; Macías E; Lin M-K; Rosotti GP; Elbakyan V, "Distinguishing magnetized disc winds from turbulent viscosity through substructure morphology in planet-forming discs" , MNRAS: 523(2), 2630-2640, August, 2023 [SCI] ( ADS | Fulltext )
  6. Auddy S; Dey R; Lin M-K; Carrera D; Simon JB, "Using Bayesian Deep Learning to Infer Planet Mass from Gaps in Protoplanetary Disks" , ApJ: 936(1), id.93 (11pp), Sep, 2022 [SCI] ( ADS | Fulltext )
  7. Gu P-G; Chen C-Y; Shen E; Yen C-C, Lin MK, "Revealing the Drag Instability in One-fluid Nonideal Magnetohydrodynamic Simulations of a 1D Isothermal C-shock" , ApJ: 935(2), id.95 (16pp), Aug, 2022 [SCI] ( ADS | Fulltext )
  8. Hsu C-Y; Lin M-K, "Nonlinear Evolution of Streaming Instabilities in Accreting Protoplanetary Disks" , ApJ: 937(2), id.55 (17 pp), Oct, 2022 [SCI] ( ADS | Fulltext )
  9. Lehmann M; Lin MK, "Impact of local pressure enhancements on dust concentration in turbulent protoplanetary discs" , A&A: 658, id.A156 (28pp), Feb, 2022 [SCI] ( ADS | Fulltext )
  10. Lin M-K; Hsu C-Y, "Streaming Instabilities in Accreting and Magnetized Laminar Protoplanetary Disks" , ApJ: 926(1), id.14 (24pp), Feb, 2022 [SCI] ( ADS | Fulltext )
  11. Auddy S; Dey R; Lin M-K; Hall C, "DPNNet-2.0 Part I: Finding hidden planets from simulated images of protoplanetary disk gaps" , ApJ: 920(1), id.3 (12pp), Oct, 2021 [SCI] ( ADS | Fulltext )
  12. Bi J; Lin M-K; Dong R, "Puffed-up Edges of Planet-opened Gaps in Protoplanetary Disks. I. Hydrodynamic Simulations" , ApJ: 912(2), id.107 (10pp), May, 2021 [SCI] ( ADS | Fulltext )
  13. Cui C; Lin M-K, "On the vertical shear instability in magnetized protoplanetary discs" , MNRAS: 505(2), 2983-2998, Aug, 2021 [SCI] ( ADS | Fulltext )
  14. Hammer M; Lin M-K; Kratter KM; Pinilla P, "Which planets trigger longer lived vortices: low-mass or high-mass?" , MNRAS: 504(3), 3963-3985, Jul, 2021 [SCI] ( ADS | Fulltext )
  15. Lin M-K, "Stratified and Vertically Shearing Streaming Instabilities in Protoplanetary Disks" , ApJ: 907(2), id.64 (20pp), Feb, 2021 [SCI] ( ADS | Fulltext )
  16. Auddy S; Lin M-K, "A Machine Learning Model to Infer Planet Masses from Gaps Observed in Protoplanetary Disks" , ApJ: 900(1), id.62 (12pp.), Sep, 2020 [SCI] ( ADS | Fulltext )
  17. Chen Kan; Lin M-K, "How Efficient Is the Streaming Instability in Viscous Protoplanetary Disks?" , ApJ: 891(2), id.132 (17pp.), Mar, 2020 [SCI] ( ADS | Fulltext )
  18. Hsieh H-F; Lin M-K, "Migrating Low-Mass Planets in Inviscid Dusty Protoplanetary Discs" , MNRAS: 497(2), 2425-2441, Jul, 2020 [SCI] ( ADS | Fulltext )
  19. Hammer M; Pinilla P; Kratter KM; Lin M-K, "Observational diagnostics of elongated planet-induced vortices with realistic planet formation time-scales" , MNRAS: 482(3), 3609-3621, 2019 [SCI] ( ADS | Fulltext )
  20. Lin M-K, "Dust settling against hydrodynamic turbulence in protoplanetary discs" , MNRAS: 485(4), 5221-5234, Jun, 2019 [SCI] ( ADS | Fulltext )
  21. Pierens A; Lin M-K; Raymond SN, "Vortex instabilities triggered by low-mass planets in pebble-rich, inviscid protoplanetary discs" , MNRAS: 488(1), 645-659, Sep, 2019 [SCI] ( ADS | Fulltext )
  22. Chen J-W; Lin M-K, "Dusty disc-planet interaction with dust-free simulations" , MNRAS: 478(2), 2737-2752, Aug, 2018 [SCI] ( ADS | Fulltext )
  23. Lin M-K; Pierens A, "Vortex survival in 3D self-gravitating accretion discs" , MNRAS: 478(1), 575-591, July, 2018 [SCI] ( ADS | Fulltext )
  24. Pierens A; Lin M-K, "On the evolution of vortices in massive protoplanetary discs" , MNRAS: 479(4), 4878-4890, Oct, 2018 [SCI] ( ADS | Fulltext )
  25. Hammer M; Kratter KM; Lin M-K, "Slowly-growing gap-opening planets trigger weaker vortices" , MNRAS: 466(3), 3533-3543, April, 2017 [SCI] ( ADS | Fulltext )
  26. Lin M-K; Youdin AN, "A Thermodynamic View of Dusty Protoplanetary Disks" , ApJ: 849(2), 129, Nov 10, 2017 [SCI] ( ADS | Fulltext )
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