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| Main Author: | |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2601.13175 |
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| _version_ | 1866915739186757632 |
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| author | Lyutikov, Maxim |
| author_facet | Lyutikov, Maxim |
| contents | Collisions of two weakly nonlinear, $a_0 \ll 1$, counter-propagating EM pulses in pair plasma leave behind a long-surviving collection of localized waves, {\it an electromagnetic ghost}. Waves are trapped (localized) by the random large density fluctuations created by the beat between the pulses. The process is similar to random plasma density grating and/or Anderson-like wave localization. Structures survive for long, mesoscale times, while the EM energy slowly bleeds through high density walls of the density trap. Large guide magnetic field, $ω_B \geq $ few $ω$, suppresses the formation of the ghosts. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_13175 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Electromagnetic ghosts in pair plasmas Lyutikov, Maxim Plasma Physics Collisions of two weakly nonlinear, $a_0 \ll 1$, counter-propagating EM pulses in pair plasma leave behind a long-surviving collection of localized waves, {\it an electromagnetic ghost}. Waves are trapped (localized) by the random large density fluctuations created by the beat between the pulses. The process is similar to random plasma density grating and/or Anderson-like wave localization. Structures survive for long, mesoscale times, while the EM energy slowly bleeds through high density walls of the density trap. Large guide magnetic field, $ω_B \geq $ few $ω$, suppresses the formation of the ghosts. |
| title | Electromagnetic ghosts in pair plasmas |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2601.13175 |