Abstract
The evolution of self-focusing of Gaussian laser beam in underdense magnetized cold quantum plasma has been studied under parabolic equation approach. We have established beam-width parameter differential equation of Gaussian laser beam using WKB and paraxial approximations. This equation is solved numerically. The results are presented graphically by considering applied magnetic field along (forward) as well as opposite (reverse) to the axis of propagation of laser. It is seen that, the forward magnetization increase the self-focusing effect as compared to the reverse magnetization. In addition, quantum effects enhance the self-focusing behaviour of laser.
Keywords
- Gaussian beam
- Self-focusing
- Plasma
- Magnetized
- Quantum
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Nikam, P.P., Pawar, V.S., Patil, S.D., Takale, M.V. (2022). Nonlinear Propagation of Gaussian Laser Beam in an Axially Magnetized Cold Quantum Plasma. In: Banerjee, S., Saha, A. (eds) Nonlinear Dynamics and Applications. Springer Proceedings in Complexity. Springer, Cham. https://doi.org/10.1007/978-3-030-99792-2_13
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DOI: https://doi.org/10.1007/978-3-030-99792-2_13
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