Plasma fireball sheath dynamics: A brief review and meta-analysis
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| Format: | Preprint |
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2025
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| _version_ | 1866918034387501056 |
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| author | Dutta, Subham Atteya, Ahmed Karmakar, Pralay Kumar |
| author_facet | Dutta, Subham Atteya, Ahmed Karmakar, Pralay Kumar |
| contents | We present a comprehensive overview of the formation mechanism of plasma fireball sheath (PFS) structures, sheath-induced collective phenomena, associated relevant instabilities, and corresponding onset conditions. It includes an optimum set of self-illustrative schematic figures, relevantly manifesting the instability triggering dynamics, various involved metastable stages, and parametric threshold conditions. The possible damping mechanisms of excited instabilities in the usual PFS systems are also highlighted. An up-to-date experimental glimpse of both the regular fireball (RFB) and inverted fireball (IFB) classes is specifically presented. We explicitly offer illustrative appendices showing the main distinctions between (a) RFB and IFB, (b) laboratory and astrocosmic fireballs, and (c) RFB sheath and IFB sheath formations. It provides a panoptic glimpse of the current RFB and IFB studies with a special mention to both laboratory and astrospace plasmas. A holistic outline on the chronological development of the PFS research investigations, since the inception of plasma-electrode coupling studies, is outlined. A clear indication of the future fireball scope in both theoretic and applied perspectives is finally emphasized. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2505_19318 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Plasma fireball sheath dynamics: A brief review and meta-analysis Dutta, Subham Atteya, Ahmed Karmakar, Pralay Kumar Plasma Physics We present a comprehensive overview of the formation mechanism of plasma fireball sheath (PFS) structures, sheath-induced collective phenomena, associated relevant instabilities, and corresponding onset conditions. It includes an optimum set of self-illustrative schematic figures, relevantly manifesting the instability triggering dynamics, various involved metastable stages, and parametric threshold conditions. The possible damping mechanisms of excited instabilities in the usual PFS systems are also highlighted. An up-to-date experimental glimpse of both the regular fireball (RFB) and inverted fireball (IFB) classes is specifically presented. We explicitly offer illustrative appendices showing the main distinctions between (a) RFB and IFB, (b) laboratory and astrocosmic fireballs, and (c) RFB sheath and IFB sheath formations. It provides a panoptic glimpse of the current RFB and IFB studies with a special mention to both laboratory and astrospace plasmas. A holistic outline on the chronological development of the PFS research investigations, since the inception of plasma-electrode coupling studies, is outlined. A clear indication of the future fireball scope in both theoretic and applied perspectives is finally emphasized. |
| title | Plasma fireball sheath dynamics: A brief review and meta-analysis |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2505.19318 |