Underdense relativistically thermal plasma produced by magnetically assisted direct laser acceleration
Underdense relativistically thermal plasma produced by magnetically assisted direct laser acceleration
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DOI：
10.1103/physrevresearch.4.l042017
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发表时间：
2022-02
影响因子：
4.2
通讯作者：
K. Weichman;J. Palastro;A. Robinson;R. Bingham;A. Arefiev
中科院分区：
文献类型：
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作者：
K. Weichman;J. Palastro;A. Robinson;R. Bingham;A. Arefiev
1905年狭义相对论的发现改变了电磁学和带电粒子动力学领域，大约20年后，这些领域将合并为等离子体物理学领域。预言不断强调狭义相对论在等离子体中的重要性，其中大多数电子是相对论性的，而不管参考系如何，但是，即使在今天，这些预言的实验验证仍然相对罕见。这些相对论热等离子体的实验室生成需要解决天体物理学中关于冲击加速和宇宙射线起源，1快速射电爆发，2，3和c射线爆发的开放性问题。4相对论热等离子体还具有相对于非相对论或非热情况下对电磁辐射的显著修改的响应，这在基础等离子体物理学、5实验室天体物理学、6，7和激光等离子体物理学中具有重要意义。8-11微米几百微米的光斑尺寸和50-fs/多皮秒的持续时间。因此，预计这种方法将提供对相对论热等离子体机制的实际访问，从而能够对基础等离子体物理学、实验室天体物理学和激光等离子体物理学中长期存在的基础预测进行实验验证。
The discovery of special relativity in 1905 transformed the fields of electromagnetism and charged-particle kinetics that, some 20 years later, would coalesce into the field of plasma physics. Predictions have continually emphasized the importance of special relativity in plasmas where the majority of electrons are relativistic regardless of reference frame, but, even today, experimental verifications of these predictions remain relatively rare. The laboratory generation of these relativistically thermal plasmas is needed to address open questions in astrophysics regarding shock acceleration and the origin of cosmic rays, 1 fast radio bursts, 2,3 and c -ray bursts. 4 Relativistically thermal plasmas also feature a substantially modified response to electromagnetic radiation relative to the nonrelativistic or nonthermal cases, which is of significant interest in basic plasma physics, 5 laboratory astrophysics, 6,7 and laser-plasma physics. 8–11 m few-hundred-micron spot size and 50-fs/multipicosecond duration. approach is thereby anticipated to offer the practical access to the relativistically thermal plasma regime, enabling experimental verification of longstanding, foundational predictions in basic plasma physics, laboratory astrophysics, and laser-plasma physics.