نتایج جستجو برای: electromagnetic wave propagation in plasma

تعداد نتایج: 17101888  

2009
Othmane Benhmammouch Natacha Caouren Ali Khenchaf

This paper deals with works on radar links in a three-dimensional marine environment. Radar performances prediction represents an important phase in the radar system parameterisation. This prediction is strongly related to the electromagnetic waves propagation modelling in maritime environment. The modelling of propagation, in troposphere, requires a good consideration of meteorological paramet...

2014
Abdulwaheed Musa Saad O. Bashir Aisha H. Abdalla

Electromagnetic wave propagation in arid and semi-arid regions is influenced by sand and dust storms. Meagre information has hitherto been reported as to the effect of storms on telecommunication systems operating in such regions. This paper presents a survey of current understanding of the wave propagation during storms. In this first part of the review—Part I, detailed parametric assessment o...

2010
D. D. Blackwell G. R. Gatling G. I. Ganguli C. D. Cothran E. M. Tejero D. N. Walker

Introduction: Energetic particles and plasma dynamics in the near-Earth space environment can significantly impact operation of both military and civilian systems. The underlying physical mechanisms relevant to two important space plasma issues, radiation belt dynamics and auroral ionospheric space weather, are under investigation in the NRL Space Physics Simulation Chamber (SPSC). Plasma condi...

2012
Chandra S. R. Kaipa Alexander B. Yakovlev

Related Articles Coupled electromagnetic TE-TM wave propagation in a layer with Kerr nonlinearity J. Math. Phys. 53, 123530 (2012) Experimental investigations of the TE11 mode radiation from a relativistic magnetron with diffraction output Phys. Plasmas 19, 113108 (2012) Omnidirectional photonic band gap enlarged by one-dimensional ternary unmagnetized plasma photonic crystals based on a new Fi...

2005
M. Marklund D. D. Tskhakaya P. K. Shukla

The nonlinear propagation of low-frequency circularly polarized waves in a magnetized dusty plasma is analyzed. It is found that wave steepening and shock formation can take place due to the presence of nonlinear quantum vacuum effects, thus giving rise to ultra-intense electromagnetic shocks. Moreover, it is shown that solitary wave structures are admitted even under moderate astrophysical con...

2005
M. Marklund P. K. Shukla L. Stenflo G. Brodin

A new nonlinear electromagnetic mode in a magnetized plasma is predicted. Its existence depends on the interaction of an intense circularly polarized electromagnetic wave with a plasma, where quantum electrodynamical photon–photon scattering is taken into account. This scattering gives rise to a new coupling between the matter and the radiation. Specifically, we consider an electron– positron p...

2015
Hao Xiong Liu-Gang Si Xiaoxue Yang Ying Wu

A simple but highly efficient approach for dealing with the problem of cylindrical electromagnetic waves propagation in a nonlinear medium is proposed based on an exact solution proposed recently. We derive an analytical explicit formula, which exhibiting rich interesting nonlinear effects, to describe the propagation of any amount of cylindrical electromagnetic waves in a nonlinear medium. The...

2007
Ahmed Shaban Samra

I. INTRODUCTION THE accurate analysis, design and optimization of guided-wave structures are essential for the development of integrated photonic devices. Of all the methods used to simulate guided-wave propagation in these devices, the beam propagation method (BPM) has been one of the most popular approaches used in the modeling and simulation of electromagnetic wave

Journal: :Proceedings of the Japan Academy, Series B 2010

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