长期从事空间物理相关研究工作。通过技术开发、卫星观测、理论建模,在空间复杂磁场反演和非线性等离子体结构动力学方面取得了一系列原创成果。开发了包括磁场二阶重构SOTE技术、间断面运动分析MADD技术等多种多卫星数据分析方法;基于NASA的帕克太阳探针(PSP)的观测数据,建立了行星际间断面在内日球层区域的传输和演化图像,系列成果被收录到帕克卫星成果集中;针对扩散激波加速理论中长期存在的“粒子注入”难题,发现了三种新的激波电子加速机制,显著促进了人们对宇宙高能粒子产生过程的理解。迄今为止,在国际权威期刊上发表SCI论文40+篇。其中以第一/通讯作者发表SCI论文12篇,并获批主持国家自然科学基金青年项目、中国博士后基金面上项目和特别资助等多项国家和省部级基金。
目前研究兴趣:(1) 激波高能粒子加速问题;(2)动理学尺度的间断面结构动力学过程及前沿问题(中间激波、电子激波等);(3)空间复杂磁场反演技术;(4)精细空间磁场结构。
研究主页: https://www.researchgate.net/profile/Yangyang-Liu-42
主要SCI论文:
[1] Liu Y. Y., Fu H. S., Liu C. M., et al. Parallel Electron Heating by Tangential Discontinuity in the Turbulent Magnetosheath[J]. Astrophysical Journal Letters, 2019, 877(2):L16
[2] Liu Y. Y., Fu H. S., Olshevsky V., et al. SOTE: A Nonlinear Method for Magnetic Topology Reconstruction in Space Plasmas[J]. Astrophysical Journal Supplement Series, 2019, 244(2):31
[3] Liu Y. Y., Fu H. S., Zong Q. G., et al. First Topology of Electron-Scale Magnetic Hole[J]. Geophysical Research Letters, 2020, 47(18):e2020GL088374
[4] Liu Y. Y., Fu H. S., Cao J. B., et al. Characteristics of Interplanetary Discontinuities in the Inner Heliosphere Revealed by Parker Solar Probe[J]. Astrophysical Journal, 2021, 916(2):65
[5] Liu Y. Y., Fu H. S., Cao J. B., et al. Categorizing MHD Discontinuities in the Inner Heliosphere by Utilizing the PSP Mission[J]. Journal of Geophysical Research: Space Physics, 2022, 127(3):e2021JA029983
[6] Liu Y. Y., Wang Z., Chen G., et al. Testing the Linearity of Vector Fields in Cold and Dense Space Plasmas[J]. Astrophysical Journal, 2022, 929(2):155
[7] Liu Y. Y., Fu H. S., Cao J. B., et al. Magnetic Discontinuities in the Solar Wind and Magnetosheath: MMS Observations[J]. Astrophysical Journal, 2022, 930(1):63
[8] Guo Z. Z., Liu Y. Y+., Fu H. S., et al. First Observation of Lower Hybrid Drift Waves at the Edge of Current Sheet in Martian Magnetotail[J]. Astrophysical Journal, 2022, 933:128
[9] Liu Y. Y., Fu H. S., Cao J. B., et al. Magnetic Discontinuities in the Inner Heliosphere: Do Intermediate Shocks Exist[J]. Astrophysical Journal, 2023, 953:34
[10] Liu Y. Y., Cao J. B., Fu H. S., et al. Failures of Minimum Variance Analysis in Diagnosing Planar Structures in Space[J]. Astrophysical Journal Supplement Series, 2023, 267:13
[11] Liu Y. Y., Fu H. S., Cao J. B., et al. Maximum Aligned Directional Derivative (MADD) Technique for Planar Structure Analysis in Space[J]. Astrophysical Journal Supplement Series, 2024, 270:6.
[12] Hu D. K., Y. Y. Liu+, J. B. Cao, C. M. Liu. Two-Step Electron Acceleration During a Flux Rope Crossing of Earth’s Bow Shock[J]. Geophysical Journal Letters, 2024, 51, e2024GL110577
[13] Liu C. M., Liu Y. Y., Xu Y., et al. Betatron Cooling of Suprathermal Electrons in the Terrestrial Magnetotail[J]. Astrophysical Journal, 2018, 866(2):93
[14] Liu C. M., Chen Z. Z., Wang Z., Liu Y. Y., et al. Evidence of Radial Nulls Near Reconnection Fronts[J]. Astrophysical Journal, 2019, 871(2):209
[15] Wang Z., Fu H. S., Liu C. M., Liu Y. Y., et al. Electron Distribution Functions Around a Reconnection X-Line Resolved by the FOTE Method[J]. Geophysical Research Letters, 2019, 46(3):1195-1204
[16] Wang Z., Fu H. S., Olshevsky V., Liu Y. Y., et al. Extending the FOTE Method to Three-dimensional Plasma Flow Fields[J]. Astrophysical Journal Supplement Series, 2020, 249(1):10
[17] Olshevsky V., Pontin D. I., Williams B., Parnell C. E., Fu H. S., Liu Y. Y., et al. A Comparison of Methods for Finding Magnetic Nulls in Simulations and in situ Observations of Space Plasmas[J]. Astronomy&Astrophysics, 2020, 644:A150
[18] Hwang K. J., Dokgo K., Choi E., Burch J. L., Sibeck D. G., Giles B. L., Hasegawa H., Fu H. S., Liu Y. Y., et al. Magnetic Reconnection Inside a Flux Rope Induced by Kelvin-Helmholtz Vortices[J]. Journal of Geophysical Research: Space Physics, 2020, 125(4):e2019JA027665
[19] Liu C. M., Fu H. S., Liu Y. Y., et al. Electron Pitch-Angle Distribution in Earth’s Magnetotail: Pancake, Cigar, Isotropy, Butterfly, and Rolling-Pin[J]. Journal of Geophysical Research: Space Physics, 2020, 125(4):e2020JA027777
[20] Yao S. T., Yue Z. S., Shi Q. Q., et al. Statistical Properties of Kinetic-Scale Magnetic Holes in Terrestrial Space[J]. Earth and Planetary Physics, 2021, 5(1):63-72
[21] Liu C. M., Fu H. S., Liu Y. Y. Electron Vorticity at Dipolarization Fronts[J]. Astrophysical Journal, 2021, 911(2):122
[22] Liu C. M., Fu H. S., Liu Y. Y., Xu Y. Kinetics of Magnetic Hole Behind Dipolarization Front[J]. Geophysical Research Letters, 2021, 48(10):e2021GL093174
[23] He R. J., Fu H. S., Liu Y. Y., et al. Subion-Scale Flux Rope Nested Inside Ion-Scale Flux Rope in Earth’s Magnetotail[J]. Geophysical Research Letters, 2021, 48(23):e2021GL096169
[24] Yu Y., Fu H. S., Cao J. B., Liu Y. Y., et al. Electron Rolling-pin Distribution Inside Magnetic Hole[J]. Astrophysical Journal, 2022, 926(2):199
[25] Liu C. M., Vaivads A., Khotyaintsev Y. V., Fu H. S., Graham D. B., Liu Y. Y., et al. Cross-Scale Dynamics Driven by Plasma Jet Braking in Space[J]. Astrophysical Journal, 2022, 926(2):198
[26] Zhang W. Z., Fu H. S., Cao J. B., Liu Y. Y., et al. DRAFT: A Method for Wave Analyses in Space Plasmas[J]. Astrophysical Journal, 2022, 936(2):176
[27] He R. J., Wang Z., Fu H. S., Cao J. B., et al. Characteristics of Electron Pitch-angle Distribution in the Flapping Magnetotail[J]. Astrophysical Journal, 2022, 940(2):99
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