Electron Weibel instability induced magnetic fields in optical-field ionized plasmas
| Title: | Electron Weibel instability induced magnetic fields in optical-field ionized plasmas |
|---|---|
| Authors: | Zhang, Chaojie, Wu, Yipeng, Sinclair, Mitchell, Farrell, Audrey, Marsh, Kenneth A., Hua, Jianfei, Petrushina, Irina, Vafaei-Najafabadi, Navid, Kupfer, Rotem, Kusche, Karl, Fedurin, Mikhail, Pogorelsky, Igor, Polyanskiy, Mikhail, Huang, Chen-Kang, Lu, Wei, Mori, Warren B., Joshi, Chan |
| Publication Year: | 2022 |
| Subject Terms: | Physics - Plasma Physics |
| More Details: | Generation and amplification of magnetic fields in plasmas is a long-standing topic that is of great interest to both plasma and space physics. The electron Weibel instability is a well-known mechanism responsible for self-generating magnetic fields in plasmas with temperature anisotropy and has been extensively investigated in both theory and simulations, yet experimental verification of this instability has been challenging. Recently, we demonstrated a new experimental platform that enables the controlled initialization of highly nonthermal and/or anisotropic plasma electron velocity distributions via optical-field ionization. Using an external electron probe bunch from a linear accelerator, the onset, saturation and decay of the self-generated magnetic fields due to electron Weibel instability were measured for the first time to our knowledge. In this paper, we will first present experimental results on time-resolved measurements of the Weibel magnetic fields in non-relativistic plasmas produced by Ti:Sapphire laser pulses (0.8 $\mu m$) and then discuss the feasibility of extending the study to quasi-relativistic regime by using intense $\rm CO_2$ (e.g., 9.2 $\mu m$) lasers to produce much hotter plasmas. Comment: 22 pages, 10 figures |
| Document Type: | Working Paper |
| DOI: | 10.1063/5.0089814 |
| Access URL: | http://arxiv.org/abs/2204.04262 |
| Accession Number: | edsarx.2204.04262 |
| Database: | arXiv |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1063/5.0089814 Subjects: – SubjectFull: Physics - Plasma Physics Type: general Titles: – TitleFull: Electron Weibel instability induced magnetic fields in optical-field ionized plasmas Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Zhang, Chaojie – PersonEntity: Name: NameFull: Wu, Yipeng – PersonEntity: Name: NameFull: Sinclair, Mitchell – PersonEntity: Name: NameFull: Farrell, Audrey – PersonEntity: Name: NameFull: Marsh, Kenneth A. – PersonEntity: Name: NameFull: Hua, Jianfei – PersonEntity: Name: NameFull: Petrushina, Irina – PersonEntity: Name: NameFull: Vafaei-Najafabadi, Navid – PersonEntity: Name: NameFull: Kupfer, Rotem – PersonEntity: Name: NameFull: Kusche, Karl – PersonEntity: Name: NameFull: Fedurin, Mikhail – PersonEntity: Name: NameFull: Pogorelsky, Igor – PersonEntity: Name: NameFull: Polyanskiy, Mikhail – PersonEntity: Name: NameFull: Huang, Chen-Kang – PersonEntity: Name: NameFull: Lu, Wei – PersonEntity: Name: NameFull: Mori, Warren B. – PersonEntity: Name: NameFull: Joshi, Chan IsPartOfRelationships: – BibEntity: Dates: – D: 08 M: 04 Type: published Y: 2022 |
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