李川 - 南京大学 - 天文与空间科学学院

个人简介

2008年毕业于南京大学天文学系，并获得南京大学和巴黎十一大（Paris XI University）理学博士学位，同年赴英国伦敦大学学院（University College London）穆兰德空间科学实验室（Mullard Space Science Laboratory）博士后研究，2011年进入南京大学天文与空间科学学院。研究领域为太阳物理和空间物理中的瞬变现象，主要包括太阳高能粒子事件和日地空间中的自组织临界现象。近年来也致力于太阳空间观测设备的研发，任职中国空间科学学会空间天文专业委员会副主任，太阳Hα光谱探测与双超平台科学技术试验卫星（简称太阳双超卫星）科学应用系统总设计师。承担课程《空间天气学》和《日地空间环境探索》

研究领域

Project 1：Solar energetic particles (SEPs) SEPs, with energies from a few keV to several GeV, are produced by the release of magnetic energy on the Sun, notably flares and coronal mass ejections (CMEs). What I am interested is to clarify where and how SEPs are accelerated and to understand the processes of propagation for different species of SEPs. Project 2: SOC processes in astrophysics The power-law frequency distributions are ubiquitous in the Universe. Self-organized criticality (SOC) and turbulence are the two intrinsic physical processes during the energy release in a nonlinear dynamical system. Both of them can produce eruptive events with power laws. What I am interested is to understand the roles of SOC and turbulence in astrophysical eruptions. Project 3: Chinese Hα Solar Explorer (CHASE) The Chinese Hα Solar Explorer (CHASE) is designed to test a newly developed satellite platform and conduct solar observations. The scientific payload of the satellite is an Hα imaging spectrograph (HIS), which can, for the first time, acquire full-disk spectroscopic solar observations in the Hα waveband. The CHASE mission is developed by Nanjing University and Shanghai Academy of Spaceflight Technology and is scheduled to launch in 2021.

近期论文

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Li, C., Miroshnichenko, L. I., Fang, C., Proton activity of the Sun in current solar cycle 24, RAA, 15, 1036, 2015 Li, C., Firoz, K. A., Sun, L. P., Miroshnichenko, L. I., Electron and proton acceleration during the first ground level enhancement event of solar cycle 24, ApJ, 770, 34, 2013 Li, C., Sun, L. P., Wang, X. Y., Dai, Y., Coronal magnetic topology and the production of solar impulsive energetic electrons, A&A, 556, L2, 2013 Li, C., Owen, S. J., Matthews, S. A., Dai, Y., Tang, Y. H., Major electron events and coronal magnetic configurations of the related solar active regions, ApJ Letters, 720, 36, 2010 Li, C., Dai, Y., Vial J.-C., et al., Solar source of energetic particles in interplanetary space during the 2006 December 13 event, A&A, 503, 1013, 2009 Li, C., Tang, Y. H., Dai, Y., Zong, W. G., Fang, C., The acceleration characteristics of solar energetic particles in the 2000 July 14 event, A&A, 461, 1115, 2007 Lei, W. H., Li, C., Chen, F., Zhong, S. J., Xu, Z. G., Chen, P. F., Do the solar flares originating from an individual active region follow a random process or a memory-dependent correlation? MNRAS, 494, 975, 2020 Li, C., Zhong, S. J., Xu, Z. G., et al., Waiting time distributions of solar and stellar flares: Poisson process or with memory?, MNRAS, 479, L139, 2018 Li, C. Z., Yang, J. H., Li, C., et al., Self-organized criticality of the solar eruptions during solar cycle 23 (in Chinese). Sci Sin-Phys Mech Astron, 2016, 46: 029501 Li, C., Zhong, S. J., Wang, L., Su, W., Fang, C., Waiting time distributions of solar energetic particle events modeled with a non-stationary Poisson process, ApJ Letters, 792, L26, 2014 Li, C., Fang, C., Li, Z., et al., Chinese Hα Solar Explorer (CHASE) -- a complementary space mission to the ASO-S, Research in Astronomy and Astrophysics, 19 (11), 165, 2019