准线性扩散系数与空间高能电子特征物理量的关系研究

张振霞; 王辰宇; 李强; 吴书贵

doi:10.7498/aps.63.079401

摘要

研究已经证实，地面电磁波进入电离层与高能粒子发生波粒相互作用，通过改变其投掷角、动量等发生扩散，导致粒子沉降，进而形成粒子暴. 近几十年来，从卫星观测到很多电离层中的粒子暴与地震有关系. 本文利用波粒回旋共振耦合理论，结合低轨卫星的观测范围，研究场向电磁波的准线性投掷角扩散系数分布与VLF电磁波频率、带宽、电子能量（0.1–50 MeV）、磁壳层（L=1.1–3）等特征物理量的关系，并研究在某个确定的投掷角条件下，电磁波频率与其所引发的电子沉降对应的最小耦合能量的关系. 利用这些物理量之间的关系，为卫星观测的高能粒子沉降事例提供理论解释，为从卫星高能粒子探测中提取与地震相关的信息提供理论支持，也为我国计划2016年底将发射的电磁监测试验卫星的数据分析奠定基础.

关键词:

Abstract

It has been proved that the ground-based electromagnetic wave can transfer into ionosphere and interact with high-energy particles. By changing the pitch angle and momentum, the particles are imposed to enter the bounce loss cone and drift loss cone, then electron precipitation takes place and the particle bursts form. In recent decades, the relationship has been observed among electromagnetic disturbance and particle bursts and seismic activity based on satellite data. Here, by wave-particle cyclotron resonant interaction combined with the observation range of LEO satellite (about 350–1000 km), the evolvement trend of the pitch angle quasi-linear diffusion coefficients induced by field-aligned electromagnetic waves, is studied with the change of VLF electromagnetic wave frequency, band width, energies of electron (0.1–20 MeV) and L shell (L=1.1–3). We also show the relationship between VLF electromagnetic wave frequency and minimum energy of precipitation electron induced by it, under certain pitch angle value. The relationship among these quantities may be used to provide theoretical explanation for satellite observations of energetic particle precipitation examples, to provide guidance for extracting information associated with earthquakes from the detection of high-energy particles on the satellite, and to lay the foundation on the data analysis of China seismo-electromagnetic satellite planned to launch at about the end of 2016.

Keywords:

作者及机构信息

1.
地壳运动监测工程研究中心, 北京 100045;

2.
北京大学物理学院, 北京 100871

基金项目: 中国地震局地震科技星火计划项目（批准号：XH12066）和地震行业科研专项经费项目（批准号：201108004）资助的课题.

Authors and contacts

1.
National Earthquake Infrastruction Service, China Earthquake Administration, Beijing 100045, China;

2.
School of Physics, Peking University, Beijing 100871, China

Funds: Project supported by the Spark Plan for Earthquake Science and Technology of China Earthquake Administration(Grant No.XH12066), and the Special Funds from the Welfare Industry, China (Grant No. 201108004).

参考文献

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[3]	Inan U S, Chang H C, Helliwell R A, Imhof W L, Reagan J B, Walt M 1985 J. Geophy. Res. 90 359
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[7]	Zheng H N, Su Z P, Xiong M 2008 Chin. Phys. Lett. 25 9 3515
[8]	Xiao F L, He Z G, Zhang S, Su Z P, Chen L X 2011 Chin. Phys. Lett. 28 3 039401
[9]	Su Z P, Zheng H N, Xiong M 2009 Chin. Phys. Lett. 26 3 039401
[10]	Zhou Q H, He Y H, He Z G, Yang C 2010 Chin. Phys. Lett. 27 5 055204
[11]	Voronov S A, Galper A M, Koldashov S V 1987 Proc. of 20th ICRC 4 451
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[15]	Sgrignaa V 2005 Journal of Atmospheric and Solar-Terrestrial Physics 67 1448
[16]	Zhang X M, Fidani C, Huang J P, Shen X H, Zeren Z, Qian J D 2013 Nat. Hazards Earth Syst. Sci. 13 197
[17]	Yan X X, Shan X J, Cao J B, Tang J, Wang F F 2012 Seismology and Geology 34 160
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[22]	Summers D 2005 J. Geophys. Res. A 110 08214
[23]	Summers D, Ni B, Meredith N P 2007 J. Geophys. Res. A 112 04207
[24]	Gu X D, Zhao Z Y, Ni B B, Wang X, Deng F 2008 Acta Phys. Sin. 57 6673 (in Chinese)[顾旭东, 赵正予, 倪彬彬, 王翔, 邓峰2008 57 6673]
[25]	Walt M 2005 Introduction to Geomagnetically Trapped Radiation (UK: Cambridge University Press) p42
[26]	Lerche I 1968 Phys. Fluids 11 1720
[27]	Kulsrud R, Pearce W P 1969 Astrophys. J. 156 445
[28]	Schlickeiser R 1989 Astrophys. J. 336 243
[29]	Summers D 2005 J. Geophys. Res. 110 A 08213
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[31]	Santolik O, Gurnett D A 2003 Geophys. Res. Lett. 30 1031
[32]	Sauvaud J A, Moreau T, Maggiolo R 2006 Planetary and Space Science 54 502
[33]	Zhang X M, Zhao G Z, Chen X B, Ma W 2007 Progress in Geophysics 22 687 (in Chinese) [张学民, 赵国泽, 陈晓斌, 马为2007 国外地震电磁现象观测, 2007 地球物理学进展22 687]
[34]	Shen X H, Zhang X M, Wang L W, Chen H R, Wu Y, Yuan A G, Shen J F, Zhao S F, Qian J D, Ding J H 2011 Earthq. Sci 24 639
[35]	Angerami J J, Thomoa J O 1964 J. Geophys. Res. 69 4537 Inan U S, Chang H C, Helliwell R A 1984 J. Geophys. Res. 89 2891
[36]	Li X Q, Ma Y Q, Wang P 2012 J. Geophys. Res. 117 A 04201
[37]	Zhang S, Xiao F L 2010 Chin. Phys. Lett. 27 129401
[38]	Jiang H, Yang X X, Lin M M 2011 Chin. Phys. B 20 019401
[39]	Qureshi M N S, Sehar S, Shah H A, Cao J B 2013 Chin. Phys. B 22 035201

施引文献

[1]	Bullough K, Tatnall A R L, Denby M 1976 Nature 260 401
[2]	Kimura I, Matsumoto H, Mukai T, Hashimoto K, Bell T F, Inan U S, Helliwell R A, Katsufrakis J P 1983 J. Geophys. Res. 88 282
[3]	Inan U S, Chang H C, Helliwell R A, Imhof W L, Reagan J B, Walt M 1985 J. Geophy. Res. 90 359
[4]	Poulsen W L, Inan U S, Bell T F 1993 J. Geophy. Res. 98 A2 1705
[5]	Abel B, Thorne R M 1998 J. Geophys. Res. 103 2385
[6]	Horne R B, Thorne R M, Shprits Y Y 2005 Nature 437 03939
[7]	Zheng H N, Su Z P, Xiong M 2008 Chin. Phys. Lett. 25 9 3515
[8]	Xiao F L, He Z G, Zhang S, Su Z P, Chen L X 2011 Chin. Phys. Lett. 28 3 039401
[9]	Su Z P, Zheng H N, Xiong M 2009 Chin. Phys. Lett. 26 3 039401
[10]	Zhou Q H, He Y H, He Z G, Yang C 2010 Chin. Phys. Lett. 27 5 055204
[11]	Voronov S A, Galper A M, Koldashov S V 1987 Proc. of 20th ICRC 4 451
[12]	Voronov S A, Galper A M, Koldashov S V 1989 Cosmic Res. 27 629
[13]	Aleksandrim S Y, Galper A M, Grishantzeva L A, Koldashov S V, Maslennikov L V, Murashov A M, Picozza P, Sgrigna V, Voronov S A 2003 Annales Geophysicae 21 597
[14]	Ruzhin Y Y, Larkina V I 1996 Proceed.14th Wroclaw EMC Symposium (URSI) 645
[15]	Sgrignaa V 2005 Journal of Atmospheric and Solar-Terrestrial Physics 67 1448
[16]	Zhang X M, Fidani C, Huang J P, Shen X H, Zeren Z, Qian J D 2013 Nat. Hazards Earth Syst. Sci. 13 197
[17]	Yan X X, Shan X J, Cao J B, Tang J, Wang F F 2012 Seismology and Geology 34 160
[18]	Li X Q, Ma Y Q, Wang H Y 2010 Chinese J. Geophys. 53 2337 (in Chinese) [李新乔, 马宇蒨, 王焕玉2010 地球 53 2337]
[19]	Wang P, Wang H Y, Ma Y Q 2011 Acta Phys. Sin. 60 039401 (in Chinese)[王平, 王焕玉2011 60 039401]
[20]	Zhang Z X, Li X Q 2012 Chinese J. Geophys. 55 1581 (in Chinese)[张振霞, 李新乔等2012 地球 55 1581]
[21]	Summers D, Thorne R M, Xiao F 1998 J. Geophys. Res. 103 20487
[22]	Summers D 2005 J. Geophys. Res. A 110 08214
[23]	Summers D, Ni B, Meredith N P 2007 J. Geophys. Res. A 112 04207
[24]	Gu X D, Zhao Z Y, Ni B B, Wang X, Deng F 2008 Acta Phys. Sin. 57 6673 (in Chinese)[顾旭东, 赵正予, 倪彬彬, 王翔, 邓峰2008 57 6673]
[25]	Walt M 2005 Introduction to Geomagnetically Trapped Radiation (UK: Cambridge University Press) p42
[26]	Lerche I 1968 Phys. Fluids 11 1720
[27]	Kulsrud R, Pearce W P 1969 Astrophys. J. 156 445
[28]	Schlickeiser R 1989 Astrophys. J. 336 243
[29]	Summers D 2005 J. Geophys. Res. 110 A 08213
[30]	Swanson D G 1989 Plasma Waves, Academic, Elsevier, New York
[31]	Santolik O, Gurnett D A 2003 Geophys. Res. Lett. 30 1031
[32]	Sauvaud J A, Moreau T, Maggiolo R 2006 Planetary and Space Science 54 502
[33]	Zhang X M, Zhao G Z, Chen X B, Ma W 2007 Progress in Geophysics 22 687 (in Chinese) [张学民, 赵国泽, 陈晓斌, 马为2007 国外地震电磁现象观测, 2007 地球物理学进展22 687]
[34]	Shen X H, Zhang X M, Wang L W, Chen H R, Wu Y, Yuan A G, Shen J F, Zhao S F, Qian J D, Ding J H 2011 Earthq. Sci 24 639
[35]	Angerami J J, Thomoa J O 1964 J. Geophys. Res. 69 4537 Inan U S, Chang H C, Helliwell R A 1984 J. Geophys. Res. 89 2891
[36]	Li X Q, Ma Y Q, Wang P 2012 J. Geophys. Res. 117 A 04201
[37]	Zhang S, Xiao F L 2010 Chin. Phys. Lett. 27 129401
[38]	Jiang H, Yang X X, Lin M M 2011 Chin. Phys. B 20 019401
[39]	Qureshi M N S, Sehar S, Shah H A, Cao J B 2013 Chin. Phys. B 22 035201

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