Gang Li

Associate Professor


Office: Cramer Hall 2223

Phone: 256-961-7311






  • B.S. 1994, Tsinghua University
  • M.S. 1998, Indiana University
  • Ph.D. 2000, Indiana University


Research interests

I am interested in a variety of problems in solar physics and space plasma physics.  My recent work focuses on particle acceleration and transport in the heliosphere and beyond, and includes both observational and theoretical aspects.


Current graduate students


Xiaocan Li

Ph.D. expected 2015

Dissertation: "Particle acceleration in solar flares using test particle and kinetic simulations"


Junxiang Hu
Ashraf Moradi


Past graduate students


Lulu Zhao

Ph.D. 2015

Dissertation: "Particle acceleration and transport at shocks"


Selected recent publications

  1. Wang, L., Li, G., Shih, A. Y., Lin, R. P., and Wimmer-Schweingruber, R. F., Simulation of energetic neutral atoms from solar energetic particles, Astrophysical Journal Letters, 793, L37 (2014).
  2. Ding, L.-G., Li, G., Jiang, Y., Le, G.-M., Shen, C.-L., Wang, Y.-M., Chen, Y., Xu, F., Gu, B., and Zhang, Y.-N., Interaction between two coronal mass ejections in the 2013 May 22 large solar energetic particle event, Astrophysical Journal Letters, 793, L35, (2014).
  3. Huang, C., Yan, Y., Li, G., Deng, Y., and Tan, B., Tracking back the solar wind to its photospheric footpoints from wind observations - a statistical study, Solar Physics, 289, 3109 (2014).
  4. Zhao, L., and Li, G., Particle acceleration at a pair of parallel shocks near the Sun, Journal of Geophysical Research, 119, 6106 (2014).
  5. Ding, L.-G., Li, G., Dong, L.-H., Jiang, Y., Jian, Y., and Gu, B., On the identification of time interval threshold in the twin-CME scenario, Journal of Geophysical Research, 119, 1463 (2014).
  6. Kong, X., Li, G., and Chen, Y., A statistical study of the spectral hardening of continuum emission in solar flares, Astrophysical Journal, 774, 140 (2013).
  7. Li, G., Kong, X., Zank, G., and Chen, Y., On the spectral hardening at ~300 kev in solar flares, Astrophysical Journal, 769, 22 (2013).
  8. Arnold, L., Li, G., Li, X., and Yan, Y., Observation of flux-tube crossings in the solar wind, Astrophysical Journal, 766, 2 (2013).
  9. Shen, C., Li, G., Kong, X., Hu, J., Sun, X. D., Ding, L., Chen, Y., Wang, Y., and Xia, L., Compound twin coronal mass ejections in the 2012 May 17 GLE event, Astrophysical Journal, 763, 114 (2013).
  10. Ding, L., Jiang, Y., Zhao, L., and Li, G., The "twin-CME" scenario and large solar energetic particle events in solar cycle 23, Astrophysical Journal, 763, 30 (2013).
  11. Mason, G. M., Li, G., Cohen, C. M. S., Desai, M. I., Haggerty, D. K., Leske, R. A., Mewaldt, R. A., and Zank, G. P., Interplanetary propagation of solar energetic particle heavy ions observed at 1 AU and the role of energy scaling, Astrophysical Journal, 761, 104 (2012).
  12. Li, G., Moore, R., Mewaldt, R. A., Zhao, L., and Labrador, A. W., A twin-CME scenario for ground level enhancement events, Space Science Reviews, 171, 141 (2012).
  13. Verkhoglyadova, O. P., Li, G., Ao, X., and Zank, G. P., Radial dependence of peak proton and iron ion fluxes in solar energetic particle events: Application of the PATH code, Astrophysical Journal, 757, 75 (2012).
  14. Feng, S. W., Chen, Y., Kong, X. L., Li, G., Song, H. Q., Feng, X. S., and Liu, Y., Radio signatures of coronal-mass-ejection-streamer interaction and source diagnostics of Type II radio burst, Astrophysical Journal, 753, 21 (2012).
  15. Kong, X. L., Chen, Y., Li, G., Feng, S. W., Song, H. Q., Guo, F., and Jiao, F. R., A broken solar Type II radio burst induced by a coronal shock propagating across the streamer boundary, Astrophysical Journal, 750, 158 (2012).
  16. Mason, G. M., Desai, M. I., and Li, G., Solar cycle abundance variations in corotating interaction regions: evidence for a suprathermal ion seed population, Astrophysical Journal Letters, 748, L31 (2012).
  17. Li, G., Shalchi, A., Ao, X., Zank, G., and Verkhoglyadova, O. P., Particle acceleration and transport at an oblique CME-driven shock, Advances in Space Research, 49, 1067 (2012).
  18. Li, G., Miao, B., Hu, Q., and Qin, G., Effect of current sheets on the solar wind magnetic field power spectrum from the Ulysses observation: From Kraichnan to Kolmogorov scaling, Physical Review Letters, 106, 125001 (2011).
  19. Miao, B., Peng, B., and Li, G., Current sheets from Ulysses observations, Annales Geophysicae, 29, 247 (2011).
  20. Verkhoglyadova, O. P., Li, G., Zank, G. P., Hu, Q., Cohen, C. M. S., Mewaldt, R. A., Mason, G. M., Haggerty, D. K., von Rosenvinge, T. T., and Looper, M. D., Understanding large SEP events with the PATH code: Modeling of the 13 December 2006 SEP event, Journal of Geophysical Research, 115, A12103 (2010).
  21. Shalchi, A., Li, G., and Zank, G. P., Analytic forms of the perpendicular cosmic ray diffusion coefficient for an arbitrary turbulence spectrum and applications on transport of Galactic protons and acceleration at interplanetary shocks, Astrophysics and Space Science, 325, 99 (2010).
  22. Li, G., Zank, G. P., Verkhoglyadova, O., Mewaldt, R. A., Cohen, C. M. S., Mason, G. M., and Desai, M. I., Shock geometry and spectral breaks in large SEP events, Astrophysical Journal, 702, 998 (2009).
  23. Verkhoglyadova, O. P., Li, G., Zank, G. P., Hu, Q., and Mewaldt, R. A., Using the PATH code for modeling gradual SEP events in the inner heliosphere, Astrophysical Journal, 693, 894 (2009).


Honors and awards

  • 2010/08 Chinese Outstanding Oversea Young Researcher
  • 2010/05 ORAU Ralph E. Powe Junior Faculty Enhancement Award
  • 2009/07 International Union of Pure and Applied Physics (IUPAP) Young Scientist Award
  • 2009/02 National Science Foundation Early Career Award


Recent grants and contracts