Laser Amplification in $e^{-}$-$μ^{-}$-ion Plasmas
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arXiv
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2025
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| author | Chen, Y. Ou, R. Wang, H. Chen, S. J. Zhong, Y. X. Chen, Y. G. Tan, S. Li, Y. X. Zheng, C. Y. Liu, Z. J. Cao, L. H. Zhang, M. M. Feng, D. P. Zuo, W. J. Xiao, C. Z. |
| author_facet | Chen, Y. Ou, R. Wang, H. Chen, S. J. Zhong, Y. X. Chen, Y. G. Tan, S. Li, Y. X. Zheng, C. Y. Liu, Z. J. Cao, L. H. Zhang, M. M. Feng, D. P. Zuo, W. J. Xiao, C. Z. |
| contents | We investigate laser amplification in $e^{-}$-$μ^{-}$-ion plasmas, where negative muons partially replace electrons. Theoretical results reveal a hybrid plasma wave, called $μ$-wave that exhibits ion-acoustic behavior in long-wavelength regime and Langmuir-like behavior in short-wavelength regime. Besides, the Landau damping of $μ$-wave is smaller than that of Langmuir wave. Particle-in-cell (PIC) simulations confirm the theoretical results of instabilities in$e^{-}$-$μ^{-}$-ion plasmas. The $μ$-wave enables efficient laser amplification by suppressing pump-driven spontaneous instabilities through enhanced Landau damping of Langmuir waves. Compared to Raman amplification, $μ$-wave amplification can maintain the Gaussian waveform of the seed laser, avoiding pulse splitting. Compared to strongcoupling Brillouin amplification, $μ$-wave amplification exhibits weaker filamentation instability. Our theoretical model can be generalized to other plasma systems containing two species of negatively charged particles, such as two-temperature electron plasmas and negative-ion plasma. These findings establish $e^{-}$-$μ^{-}$-ion plasma as a promising medium for advanced laser amplification schemes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_04301 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Laser Amplification in $e^{-}$-$μ^{-}$-ion Plasmas Chen, Y. Ou, R. Wang, H. Chen, S. J. Zhong, Y. X. Chen, Y. G. Tan, S. Li, Y. X. Zheng, C. Y. Liu, Z. J. Cao, L. H. Zhang, M. M. Feng, D. P. Zuo, W. J. Xiao, C. Z. Plasma Physics We investigate laser amplification in $e^{-}$-$μ^{-}$-ion plasmas, where negative muons partially replace electrons. Theoretical results reveal a hybrid plasma wave, called $μ$-wave that exhibits ion-acoustic behavior in long-wavelength regime and Langmuir-like behavior in short-wavelength regime. Besides, the Landau damping of $μ$-wave is smaller than that of Langmuir wave. Particle-in-cell (PIC) simulations confirm the theoretical results of instabilities in$e^{-}$-$μ^{-}$-ion plasmas. The $μ$-wave enables efficient laser amplification by suppressing pump-driven spontaneous instabilities through enhanced Landau damping of Langmuir waves. Compared to Raman amplification, $μ$-wave amplification can maintain the Gaussian waveform of the seed laser, avoiding pulse splitting. Compared to strongcoupling Brillouin amplification, $μ$-wave amplification exhibits weaker filamentation instability. Our theoretical model can be generalized to other plasma systems containing two species of negatively charged particles, such as two-temperature electron plasmas and negative-ion plasma. These findings establish $e^{-}$-$μ^{-}$-ion plasma as a promising medium for advanced laser amplification schemes. |
| title | Laser Amplification in $e^{-}$-$μ^{-}$-ion Plasmas |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2507.04301 |