Research:

  Numerical Simulations

  Cosmology

  Milky Way and Galactic Dynamics

  Galaxy Groups and Clusters

Research Interests:

•   Dark matter

            Numerical simulation

            Dynamical modelling

            Detection

            Weak Lensing

            Galaxy formation

•   Astrostatistics

   My research is focused on studying the distribution and nature of dark matter in our Universe, using efficient computation and advanced statistics in the big data era. Starting from simulations, I study various aspects of dark matter halos, such as their formation, substructure, phase-space distribution as well as largescale distribution. On top of that, I also use various observational probes, including gravitational lensing, dynamical modelling and indirect detection, to study the dark matter in the real Universe.

Awards:

Guangqi Scholar

(EU) Marie-Curie Early Stage Researcher (2010-2012)

Bio:

 2018-present：Associate Professor (tenure-track), Shanghai Jiao Tong University

 2016-2018：Project Researcher, Kavli IPMU, University of Tokyo

 2013-2016： Research Associate, Institute for Computational Cosmology, Durham University

 2013：Ph.D. in astrophysics, Shanghai Astronomical Observatory, CAS

 2007, B.Sc. in astronomy,  Nanjing University

Recent Publications:

[1] Zhou, Y. and Han, J., “Mining the Information Content of Member Galaxies in Halo Mass Modeling”, The Astrophysical Journal, vol. 939, no. 1, 2022. doi:10.3847/1538-4357/ac9478.

[2] Li, Q., Han, J., Wang, W., et al. “What to expect from dynamical modelling of cluster haloes - II. Investigating dynamical state indicators with Random Forest”, Monthly Notices of the Royal Astronomical Society, vol. 514, no. 4, pp. 5890–5904, 2022. doi:10.1093/mnras/stac1739.

[3] Fong, M., Han, J., Zhang, J., et al. “First measurement of the characteristic depletion radius of dark matter haloes from weak lensing”, Monthly Notices of the Royal Astronomical Society, vol. 513, no. 4, pp. 4754–4769, 2022. doi:10.1093/mnras/stac1263.

[4] Dong, F., Zhao, D., Han, J., Li, Z., Jing, Y., and Yang, X., “The Universal Specific Merger Rate of Dark Matter Halos”, The Astrophysical Journal, vol. 929, no. 2, 2022. doi:10.3847/1538-4357/ac5aaa.

[5] Li, Z.-Z. and Han, J., “The Outermost Edges of the Milky Way Halo from Galaxy Kinematics”, The Astrophysical Journal Letters, vol. 915, no. 1, 2021. doi:10.3847/2041-8213/ac0a7f.

[6] Fong, M. and Han, J., “A natural boundary of dark matter haloes revealed around the minimum bias and maximum infall locations”, Monthly Notices of the Royal Astronomical Society, vol. 503, no. 3, pp. 4250–4263, 2021. doi:10.1093/mnras/stab259.