A system of nonlinear one-dimensional equations of the electron hydrodynamics with Maxwell's equations was developed to describe electromagnetic (EM) solitons in plasma with nonthermal electrons. Equation of vector potential was derived in relativistic regime by implementing the multiple scales technique, and their solitonic answers were introduced. The allowed regions for bright and dark electromagnetic solitons were discussed in detail. Roles of number density of nonthermal electrons, temperature of electrons, and frequency of fast participate of vector potential on the Sagdeev potential and properties of EM soliton were investigated. Results show that with increasing the number of nonthermal electrons, the amplitude of vector potential of bright solitons increases. By increasing the number of nonthermal electrons, dark EM solitons may be changed to bright solitons. Increasing the energy of nonthermal electrons leads to generation of high amplitude solitons.
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August 2016
Research Article|
August 19 2016
Role of nonthermal electron on the dynamics of relativistic electromagnetic soliton in the interaction of laser-plasma
Shabnam Rostampooran;
Shabnam Rostampooran
Laser Laboratory, Plasma Physics Research Center, Science and Research Branch,
Islamic Azad University
, Tehran, Iran
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Davoud Dorranian
Davoud Dorranian
a)
Laser Laboratory, Plasma Physics Research Center, Science and Research Branch,
Islamic Azad University
, Tehran, Iran
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a)
Author to whom correspondence should be addressed. Electronic mail: [email protected]. Tel: +98 21 44869654. Fax: +98 21 44869640.
Phys. Plasmas 23, 083121 (2016)
Article history
Received:
March 31 2016
Accepted:
August 01 2016
Citation
Shabnam Rostampooran, Davoud Dorranian; Role of nonthermal electron on the dynamics of relativistic electromagnetic soliton in the interaction of laser-plasma. Phys. Plasmas 1 August 2016; 23 (8): 083121. https://doi.org/10.1063/1.4960977
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