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Faculty of Mathematics

 

Jiaru Li is a Postdoctoral Research Associate in the Astrophysics Group at the Department of Applied Mathematics and Theoretical Physics, University of Cambridge. His research interests include exoplanetary dynamics, protoplanetary disks, and the dynamical evolution of black holes embedded in active galactic nucleus disks. He primarily investigates these topics through N-body and hydrodynamical simulations, complemented by analytical modeling.

Jiaru received his bachelor's degree from the University of Toronto in 2017, where he worked with Professor Artur Izmaylov on quantum chemistry. He subsequently earned his Ph.D. in Astronomy from Cornell University in 2023 under the supervision of Professor Dong Lai. During his graduate studies, he also spent two years at Los Alamos National Laboratory as a CSES Student Fellow. Before joining Cambridge, he was a CIERA Postdoctoral Fellow at Northwestern University.

Since moving abroad to pursue his scientific adventures, Jiaru has lived and worked in five cities across three different countries. Before embarking on this journey, he was born and raised in his beautiful hometown of Hangzhou, China.

Publications

Dynamical Instability in Multi-Orbiter Systems with Gas Friction
J Li, L Rodet, D Lai
(2022)
Hot Circumsingle Disks Drive Binary Black Hole Mergers in Active Galactic Nucleus Disks
Y-P Li, AM Dempsey, H Li, S Li, J Li
– The Astrophysical Journal Letters
(2022)
928,
L19
Long-term Evolution of Tightly-Packed Stellar Black Holes in AGN Disks: Formation of Merging Black-Hole Binaries via Close Encounters
J Li, D Lai, L Rodet
(2022)
Orbital Evolution of Binary Black Holes in Active Galactic Nucleus Disks: A Disk Channel for Binary Black Hole Mergers?
Y-P Li, AM Dempsey, S Li, H Li, J Li
– The Astrophysical Journal
(2021)
911,
124
Ring Formation in Protoplanetary Disks Driven by an Eccentric Instability
J Li, AM Dempsey, H Li, S Li
– The Astrophysical Journal
(2021)
910,
79
Ring Formation in Protoplanetary Disks Driven by an Eccentric Instability
J Li, AM Dempsey, H Li, S Li
(2021)
Giant planet scatterings and collisions: hydrodynamics, merger-ejection branching ratio, and properties of the remnants
J Li, D Lai, KR Anderson, B Pu
– Monthly Notices of the Royal Astronomical Society
(2020)
501,
1621
Planetary Spin and Obliquity from Mergers
J Li, D Lai
– The Astrophysical Journal Letters
(2020)
898,
l20
Giant Planet Scatterings and Collisions: Hydrodynamics, Merger-Ejection Branching Ratio, and Properties of the Remnants
J Li, D Lai, KR Anderson, B Pu
(2020)
Planetary Spin and Obliquity from Mergers
J Li, D Lai
(2020)
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Research Group

Astrophysics

Room

F1.04