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In this paper, the concept of electrical potential influencing factor is proposed to describe the effect of electrical potential difference between the dust particle and background plasma on conductivity, based on which the conductivity model of dusty plasma is improved. The electrical potential influencing factor is directly proportional to the charge number, number density, radius of the dust particle, and the electron number density of the background plasma. Meanwhile, it is inversely proportional to the electron temperature of the background plasma. Taking rocket exhaust plume for example, the conductivities with and without considering potential difference are given both in the microwave and near infrared regions. In the given dusty plasma parameters condition, the influence of electrical potential difference on electrical conductivity reduces as the incident frequency increases. When the frequency increases to the near-infrared light region, the influence of electrical potential difference on the imaginary part of the conductivity can be ignored.
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Keywords:
- plasma /
- dust particle /
- conductivity /
- electrical potential impact factor
[1] Liu J, Zhou S B, Xu C G 2008 Numerical simulation and applications of combustion phenomena in supersonic flow (Chang Sha: National University of Defense Technology Press) (in Chinese) [刘君, 周松柏, 徐春光 2008 超声速流动中燃烧现象的数值模拟方法及应用 (长沙: 国防科技大学出版社)]
[2] Wang J 2006 Master thesis (Xidian University)(in Chinese) [王菊 2006 硕士学位论文 (西安电子科技大学)]
[3] Whipple E C 1981 Rep. Prog. Phys. 44 1197
[4] Goertz C K 1989 Rev. Geophys. 27 271
[5] J Winter 1998 Plasma Phys. Control. Fusion 40 1201
[6] J Winter 2004 Plasma Phys. Control. Fusion 46 B583
[7] Roth R M, Spears K G, Stein G D, Wong D 1985 Appl. Phys. Lett. 46 253
[8] Shukla P K, Mamun A A 2002 Introduction to dusty plasma physics, Institute of physics publishing, London.
[9] Tsytovich V N 1992 Physica Scripta 45 521
[10] Ma J X, Yu M Y 1994 Phys. Rev. E 50 2431
[11] Thomas H, Morfill G E, Demmel V 1994 Phys. Rev. Lett. 73 652
[12] Shukla P K, Stenflo L 1992 Astrophys. Space Sci. 190 23
[13] Vladimirov S V 1994 Phys. Rev. E 50 1422
[14] Shi Y X, Ge D B, Wu J 2007 Chin. J. Geophys. 50 1005 (in Chinese) [石雁祥, 葛德彪, 吴健 2007 地球 50 1005]
[15] Li F, Li L L, S Q 2004 Science in China Series E 34 832 (in Chinese) [李芳, 李廉林, 隋强 2004 中国科学E辑 34 832]
[16] Shi Y X, Wu J, Ge D B 2009 Acta Phys. Sin. 58 5507 (in Chinese) [石雁祥, 吴健, 葛德彪 2009 58 5507]
[17] Ginzburg V L 1978 The propagation of electromagnetic waves in plasma (Beijing: Science Press) (in Chinese) [电磁波在等离子体中的传播,(苏) 金兹堡著, 钱善瑎译 1978 北京: 科学出版社]
[18] Abe T, Fujita K, Ogawa H, Funaki I 2000 Am. Inst. Aeronaut. Astronaut. 2484
[19] Li J T, Guo L X, Hu H Q, Zhang B C 2010 Chin. J. Geophys. 53 2829 (in Chinese) [李江挺, 郭立新, 胡红桥, 张北辰 2010 地球 53 2829]
[20] de Angelis U, Marmolino C, Tsytovich V N 2005 Phys. Rev. Lett. 95 095003
[21] Tsytovich V N, de Angelis U 1993 Phys. Rev. E 48 3930
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[1] Liu J, Zhou S B, Xu C G 2008 Numerical simulation and applications of combustion phenomena in supersonic flow (Chang Sha: National University of Defense Technology Press) (in Chinese) [刘君, 周松柏, 徐春光 2008 超声速流动中燃烧现象的数值模拟方法及应用 (长沙: 国防科技大学出版社)]
[2] Wang J 2006 Master thesis (Xidian University)(in Chinese) [王菊 2006 硕士学位论文 (西安电子科技大学)]
[3] Whipple E C 1981 Rep. Prog. Phys. 44 1197
[4] Goertz C K 1989 Rev. Geophys. 27 271
[5] J Winter 1998 Plasma Phys. Control. Fusion 40 1201
[6] J Winter 2004 Plasma Phys. Control. Fusion 46 B583
[7] Roth R M, Spears K G, Stein G D, Wong D 1985 Appl. Phys. Lett. 46 253
[8] Shukla P K, Mamun A A 2002 Introduction to dusty plasma physics, Institute of physics publishing, London.
[9] Tsytovich V N 1992 Physica Scripta 45 521
[10] Ma J X, Yu M Y 1994 Phys. Rev. E 50 2431
[11] Thomas H, Morfill G E, Demmel V 1994 Phys. Rev. Lett. 73 652
[12] Shukla P K, Stenflo L 1992 Astrophys. Space Sci. 190 23
[13] Vladimirov S V 1994 Phys. Rev. E 50 1422
[14] Shi Y X, Ge D B, Wu J 2007 Chin. J. Geophys. 50 1005 (in Chinese) [石雁祥, 葛德彪, 吴健 2007 地球 50 1005]
[15] Li F, Li L L, S Q 2004 Science in China Series E 34 832 (in Chinese) [李芳, 李廉林, 隋强 2004 中国科学E辑 34 832]
[16] Shi Y X, Wu J, Ge D B 2009 Acta Phys. Sin. 58 5507 (in Chinese) [石雁祥, 吴健, 葛德彪 2009 58 5507]
[17] Ginzburg V L 1978 The propagation of electromagnetic waves in plasma (Beijing: Science Press) (in Chinese) [电磁波在等离子体中的传播,(苏) 金兹堡著, 钱善瑎译 1978 北京: 科学出版社]
[18] Abe T, Fujita K, Ogawa H, Funaki I 2000 Am. Inst. Aeronaut. Astronaut. 2484
[19] Li J T, Guo L X, Hu H Q, Zhang B C 2010 Chin. J. Geophys. 53 2829 (in Chinese) [李江挺, 郭立新, 胡红桥, 张北辰 2010 地球 53 2829]
[20] de Angelis U, Marmolino C, Tsytovich V N 2005 Phys. Rev. Lett. 95 095003
[21] Tsytovich V N, de Angelis U 1993 Phys. Rev. E 48 3930
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