Dong Lai

T. D. Lee Chair Professor

Astronomy and Astrophysics Division

TDLI N526

mail AT sjtu.edu.cn

Education Background

1991-1994PhDCornell University
1988-1991MasterCornell University
1983-1988BachelorUniversity of Science and Technology of China

Professional Experience

2008-presentProfessor of Astronomy, Benson and Mary Simon ProfessorCornell University
2002-2008Associate ProfessorCornell University
1997-2002Assistant ProfessorCornell University
1994-1997Postdoctoral FellowCaltech

Research Interests

Astrophysics of Exoplanets: dynamics, formation, protoplanetary disks, star-planet interactions.
Compact Objects: neutron stars, black holes, white dwarfs, gravitational waves, neutrinos, condensed matter
Astrophysical (particle and fluid) dynamics in general: celestial mechanics, waves, oscillations, instabilities

Honors and Awards

1984-1988University Fellowship, University of Science & Technology of China
1988Winner of China-U.S. Physics Examination & Application Program (CUSPEA)
1988-1989Sage Graduate Fellowship, Cornell University
1991C.Liu Memorial Award for Academic Excellence, Cornell University
1994-1997Richard C. TolmanResearch Fellowship in Theoretical Astrophysics, California Institute of Technology
1998-2002Alfred P. SloanResearch Fellowship
2000Dorothy & Fred ChauAward for Excellence in Undergraduate Research Project Supervision, Cornell University
2004Oversea Outstanding Young Scientist, P.R. China
2016-2017Simons Fellow in Theoretical Physics, Simons Foundation
2018Distinguished Alumni Lecturer, University of Science and Technology of China
2020Miller Visiting Professor, UC Berkeley

Selected Publications

  1. Lai, D. 2001,“Matter in Strong Magnetic Fields”,Review of Modern Physics, 73, 629-661
  2. Harding, A. K., Lai, D. 2006, “Physics of Strongly Magnetized Neutron Stars”, Report of Progress of Physics, 69, 2631 
  3. Lai, D., Tsang, D. 2009, “Corotational Instability of Inertial-Acoustic Modes in Black Hole Accretion Discs and Quasi-Periodic Oscillations”, MNRAS, 393, 979-991 
  4. Lai, D., Foucart, F., Lin, D.N.C. 2011, “Evolution of Spin Direction of Accreting Magnetic Protostars and Spin-Orbit Misalignment in Exoplanetary Systems”, MNRAS, 412, 2790-2798 
  5. Fuller, J., Lai, D. 2012, “Dynamical Tides in Compact White Dwarf Binaries: Tidal Synchronization and Dissipation”, MNRAS, 421, 426-445 
  6. Lai, D. 2012, “DC Circuit Powered by Orbital Motion: Magnetic Interactions in Compact Object Binaries and Exoplanetary Systems”, ApJ, 757, L3 
  7. Storch, N.I., Anderson, K.R., Lai, D. 2014, “Chaotic Dynamics of Stellar Spin in Binaries and the Production of Misaligned Hot Jupiters”, Science, 345, 1317
  8. Wang, C., Lai, D. 2016, “Axion-Photon Propagation in Magnetized Universe”, JCAP, 6, 006
  9. Xu, Wenrui, Lai, D. 2017, “Resonant Tidal Excitation of Oscillation Modes in Merging Binary Neutron Stars: Inertial-Gravity Modes”, Phys. Rev. D 96, 083005 
  10. Zanazzi, J.J., Lai, D. 2018, “Inclination Evolution of Protoplanetary Disks Around Eccentric Binaries”, MNRAS, 473, 603-615 
  11. Liu, B., Lai, D. 2018, “Black Hole and Neutron Star Binary Mergers in Triple Systems: Merger Fraction and Spin-Orbit Misalignment”, ApJ, 863, 68 
  12. Munoz, D.J., Miranda, R., Lai, D. 2019, “Hydrodynamics of circumbinary accretion: Angular momentum transfer and binary orbital evolution”, ApJ, 871, 84 
  13. Vick, M., Lai, D., Anderson, K.R. 2019, “Chaotic Tides in Migrating Gas Giants: Forming Hot and Transient Warm Jupiters via High-Eccentricity Migration”, MNRAS, 484, 5645-5668
  14. Liu, B., Lai, D., Wang, Y.-H. 2019,“Binary Mergers near a Supermassive Black Hole: Relativistic Effects in Triples”,ApJ Letters, 883, L7
  15. Li, Jiaru, Lai, D. 2020,“Planetary Spin and Obliquity from Mergers”, ApJ Letters, 898, L20
  16. Lai, Dong 2021,“Jupiter’s Dynamical Love Number”,Planetary Science Journal, 2, 122
  17. Su, Yubo, & Lai, Dong 2022,“Dynamics of Colombo’s Top: Tidal Dissipation and Resonance Capture, with Applications to Oblique Super-Earths, Ultra-Short-Period Planets and Inspiraling Hot Jupiters” MNRAS, 509, 3301-3320
  18. O’Connor, C.E., Teyssandier, J., Lai, Dong 2022,“Secular chaos in white-dwarf planetary systems: origins of metal pollution and short-period planetary companions”, MNRAS, 513, 4178-4195
  19. Li, Jiaru, Lai, Dong, & Rodet, L.⋆⋆ 2022, “Long-term Evolution of Tightly-Packed Stellar Black Holes in AGN Disks: Formation of Merging Black-Hole Binaries via Close Encounters”, ApJ, 934, 154
  20. Li, Rixin, & Lai, Dong 2022, “Hydrodynamical Evolution of Black-Hole Binaries Embedded in AGN Discs”,MNRAS, 517, 1602-1624
  21. Rodet, Laetitia, & Lai, Dong 2022, “Eccentric debris belts reveal the dynamical history of the companion exoplanet”, MNRAS, 516, 5544-5554
  22. Lai, Dong 2023, “IXPE Detection of Polarized X-rays from Magnetars and Photon Mode Conversion at QED Vacuum Resonance”, PNAS, 120, 17, e2216534120
  23. Lai, Dong, & Munoz, Diego J. 2023, “Circumbinary Accretion: From Binary Stars to Massive Binary Black Holes”, Ann Review Astron. Astrophys.Chai 61, 517-560