A spatiotemporal study of the relativistic nonlinear effects on laser absorption by a finite-size magneto plasma

In this paper, the relativistic electromagnetic 1.5 dimensional particle-in-cell code has been employed to investigate the temporal behavior of nonlinear absorption of a short intense laser pulse in finite-size magnetized sub-critical (i.e. under the critical density) plasma. This work has been done...

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Bibliographic Details
Published in:The European physical journal. D, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2014-12, Vol.68 (12), Article 358
Main Authors: Mehdian, Hasan, Kargarian, Ameneh, Hajisharifi, Kamal, Hasanbeigi, Ali
Format: Article
Language:English
Subjects:
Applications of Nonlinear Dynamics and Chaos Theory
Atomic
Exact sciences and technology
Magnetized plasmas
Molecular
Optical and Plasma Physics
Particle-in-cell method
Physical Chemistry
Physics
Physics and Astronomy
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma properties
Plasma simulation
Quantum Information Technology
Quantum Physics
Regular Article
Spectroscopy/Spectrometry
Spintronics
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Summary:In this paper, the relativistic electromagnetic 1.5 dimensional particle-in-cell code has been employed to investigate the temporal behavior of nonlinear absorption of a short intense laser pulse in finite-size magnetized sub-critical (i.e. under the critical density) plasma. This work has been done by relying on a detailed temporal study of the phase-mixing and scattering processes occurring in the finite-size system of laser-plasma interaction. Part of the results obtained in this manuscript confirm recent important theoretical findings, including the wave-breaking or phase-mixing phenomena of relativistic upper-hybrid (UH) oscillations in magnetized plasma [C. Maity, A. Sarka, P.K. Shukla, N. Chakrabarti, Phys. Rev. Lett. 110 , 215002 (2013)]. Moreover, we found the explicit reasons for the anomalous behavior of the absorption rate in magnetized plasma by scrutinising the phase-mixing time and scattering process in finite-size magnetized plasma for different values of laser and plasma parameters.
ISSN:1434-6060
1434-6079
DOI:10.1140/epjd/e2014-50556-9