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Effects of plasma electron temperature and magnetic field on the propagation dynamics of Gaussian laser beam in weakly relativistic cold quantum plasma

Published online by Cambridge University Press:  13 December 2019

Munish Aggarwal Open the ORCID record for Munish Aggarwal [Opens in a new window] ,
Vimmy Goyal ,
Richa Kashyap ,
Harish Kumar  and
Tarsem Singh Gill
Munish Aggarwal*
Affiliation:
Department of Physics, DAV University, Sarmastpur, Jalandhar144012, India
Vimmy Goyal
Affiliation:
Research Scholar, I.K.G. Punjab Technical University, Jalandhar, Kapurthala144603, India
Richa Kashyap
Affiliation:
Research Scholar, I.K.G. Punjab Technical University, Jalandhar, Kapurthala144603, India
Harish Kumar
Affiliation:
Research Scholar, I.K.G. Punjab Technical University, Jalandhar, Kapurthala144603, India
Tarsem Singh Gill
Affiliation:
Department of Physics, Guru Nanak Dev University, Amritsar143005, India
*
Author for correspondence: Munish Aggarwal, Department of Physics, DAV University, Sarmastpur, Jalandhar144012, India, E-mail: [email protected]
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Abstract

Self-focusing of Gaussian laser beam has been investigated in quantum plasma under the effect of applied axial magnetic field. The nonlinear differential equation has been derived for studying the variations in the beam-width parameter. The effect of initial plasma electron temperature and the axial magnetic field on self-focusing and normalized intensity are studied. Our investigation reveals that normalized intensity increases to tenfolds where quantum effects are dominant. The normalized intensity further increases to twelvefolds on increasing the magnetic field.

Keywords

Cold quantum plasmaelectron temperatureGaussianself-focusingweakly relativistic
Type
Research Article
Information
Laser and Particle Beams , Volume 37 , Issue 4 , December 2019 , pp. 435 - 441
Copyright
Copyright © Cambridge University Press 2019

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