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Enhancing electron acceleration with sinh-squared Gaussian pulse under external magnetic fields

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Abstract

Energy enhancement of electrons is a promising field of research due to its application in various fields of scientific research. The role of various parameters like plasma density, frequency chirp, laser pulse length and external magnetic field, etc., are studied and optimized for the enhancement of energy gain and energy efficiency of the acceleration scheme. In the recent study, we have chosen a novel laser pulse profile, i.e., sinh-squared-Gaussian laser pulse to study the effect of laser electric field and externally applied transverse static magnetic field. The generated laser wake potential, wakefield, and electron energy gain have a positive correlation with laser electric field strength and the strength of the external magnetic field. In our study, with an increase in magnetic field from 0 to 40 T (1 Tesla = 10 kilogauss) and laser electric field of \(4.81\times {10}^{11}\text{ V/m}\), generated wake potential increases from 164 to 183.59 kV, laser wakefield increases from 6.18 to 6.91 GV/m, and electron energy gain increases from 162.98 to 182.45 MeV. Our research will contribute to the development of a novel scenario for the augmentation of electron energy using magnetic fields.

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The data that support the findings of this study are available from the corresponding authors upon reasonable request.

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Authors and Affiliations

  1. Department of Physics, Lovely Professional University, G.T. Road, Phagwara, Punjab, 144411, India

    Vivek Sharma, Hitesh Kumar Midha & Vishal Thakur

  2. Department of Physics, University of Allahabad, Prayagraj, U. P., India

    Niti Kant

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  1. Vivek Sharma
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  2. Hitesh Kumar Midha
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Contributions

VS contributed to derivation, methodology, analytical modeling, and graph plotting; HKM contributed to numerical analysis, NK contributed to numerical analysis and result discussion; VT contributed to supervision, reviewing, and editing.

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Correspondence to Vishal Thakur.

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Sharma, V., Midha, H.K., Kant, N. et al. Enhancing electron acceleration with sinh-squared Gaussian pulse under external magnetic fields. J Opt (2024). https://doi.org/10.1007/s12596-024-01671-x

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