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Pressure and microwave power are the most important parameters during microwave breakdown in air and affect the self-organization plasma pattern structure and its propagation directly. In order to study the effects of pressure and microwave power, an effective-diffusion fluid plasma equation is solved together with Maxwell's equations, and the double grid method is also used to meet the different grid size requirement of plasma equation and finite-difference-time-domain for Maxwell's equations. The numerical results show that with lower pressure the plasma behaves as a more diffuse plasmoid instead of a well defined plasma pattern structure under higher pressure, and the increase of incident microwave power will lead to a rapid growth of the front propagation velocity and a well separated and sharp pattern structure, and the higher incident power also results in jump-like front propagation.
[1] MacDonald D 1966 Microwave Breakdown in Gases (New York: John Wiley & Sons)
[2] Litvak A 1994 Freely localized gas discharges in microwave beams. in Applications of High Power Microwaves, edited by Gaponov-Grekhov A V, Granatstein V L (Boston: Artech House) pp145-167
[3] Vikharev A L, Gil'denburg V B, Golubev S V, Eremin B G, Ivanov O A, Litvak A G, Stepanov A N, Yunakovskii A D 1988 Sov. Phys. JETP 67 724
[4] Hidaka Y, Choi E M, Mastovsky I, Shapiro M A, Sirigiri J R, Temkin R J 2008 Phys. Rev. Lett. 100 035003
[5] Hidaka Y, Choi E M, Mastovsky I, Shapiro M A, Sirigiri J R, Temkin R J, Edmiston G F, Neuber A A, Oda Y 2009 Phys. Plasma 16 055702
[6] Cook A, Shapiro M, Temkin R 2010 Appl. Phys. Lett. 97 011504
[7] Nam S K, Verboncoeur J P 2009 Phys. Rev. Lett. 103 055004
[8] Boeuf J P, Chaudhury B, Zhu G Q 2010 Phys. Rev. Lett. 104 015002
[9] Chaudhury B, Boeuf J P, Zhu G Q 2010 Phys. Plasma 17 123505
[10] Zhu G Q, Boeuf J P, Chaudhury B 2011 Plasma Sources Sci. Technol. 20 035007
[11] Chaudhury B, Boeuf J P, Zhu G Q 2011 J. Appl. Phys. 110 113306
[12] Ebert U, Saarloos W 2000 Physica D: Nonlinear Phenomena 164 1
[13] Kunz K S, Luebbers R J 1993 The Finite Difference Time Domain Method for Electromagnetics (Baca Raton, Ann Arbor, London, Tokyo: CRC Press) p13
[14] Cummer S A 1997 IEEE Trans. on Antennas and Propagation 45 3
[15] Yee K K 1966 IEEE Trans. on Antennas and Propagation AP-14 3
[16] Mur G 1981 IEEE Trans. on Electromagnetic Compatibility EMC-23 4
[17] Raizer Y P 1991 Gas Discharge Physics (Berlin: Springer) pp53-57
[18] Warne L K, Jorgenson R E, Nicolaysen S D 2003 Ionization Coefficient Approach to Modeling Breakdown in Nonuniform Geometries Sandia Report SAND 2003-4078
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[1] MacDonald D 1966 Microwave Breakdown in Gases (New York: John Wiley & Sons)
[2] Litvak A 1994 Freely localized gas discharges in microwave beams. in Applications of High Power Microwaves, edited by Gaponov-Grekhov A V, Granatstein V L (Boston: Artech House) pp145-167
[3] Vikharev A L, Gil'denburg V B, Golubev S V, Eremin B G, Ivanov O A, Litvak A G, Stepanov A N, Yunakovskii A D 1988 Sov. Phys. JETP 67 724
[4] Hidaka Y, Choi E M, Mastovsky I, Shapiro M A, Sirigiri J R, Temkin R J 2008 Phys. Rev. Lett. 100 035003
[5] Hidaka Y, Choi E M, Mastovsky I, Shapiro M A, Sirigiri J R, Temkin R J, Edmiston G F, Neuber A A, Oda Y 2009 Phys. Plasma 16 055702
[6] Cook A, Shapiro M, Temkin R 2010 Appl. Phys. Lett. 97 011504
[7] Nam S K, Verboncoeur J P 2009 Phys. Rev. Lett. 103 055004
[8] Boeuf J P, Chaudhury B, Zhu G Q 2010 Phys. Rev. Lett. 104 015002
[9] Chaudhury B, Boeuf J P, Zhu G Q 2010 Phys. Plasma 17 123505
[10] Zhu G Q, Boeuf J P, Chaudhury B 2011 Plasma Sources Sci. Technol. 20 035007
[11] Chaudhury B, Boeuf J P, Zhu G Q 2011 J. Appl. Phys. 110 113306
[12] Ebert U, Saarloos W 2000 Physica D: Nonlinear Phenomena 164 1
[13] Kunz K S, Luebbers R J 1993 The Finite Difference Time Domain Method for Electromagnetics (Baca Raton, Ann Arbor, London, Tokyo: CRC Press) p13
[14] Cummer S A 1997 IEEE Trans. on Antennas and Propagation 45 3
[15] Yee K K 1966 IEEE Trans. on Antennas and Propagation AP-14 3
[16] Mur G 1981 IEEE Trans. on Electromagnetic Compatibility EMC-23 4
[17] Raizer Y P 1991 Gas Discharge Physics (Berlin: Springer) pp53-57
[18] Warne L K, Jorgenson R E, Nicolaysen S D 2003 Ionization Coefficient Approach to Modeling Breakdown in Nonuniform Geometries Sandia Report SAND 2003-4078
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