笔记百科天体物理学
MRE期刊● 点击蓝字关注我们 ●2021年MRE第六期Webinar，将由德克萨斯大学奥斯汀分校哈兰·史密斯（Harlan J. Smith Centennial Professor in Astronomy）百年纪念天文学教授Donald Earl Winget介绍宇宙条件下的实验室天体物理学。
开播时间：2021年6月1日，北京时间21：00 (格林威治时间13：00)
加入该Webinar：
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Laboratory Astrophysics at Cosmic Conditions
宇宙条件下的实验室天体物理学
Donald Earl Winget，罗彻斯特大学物理与天文学博士，德克萨斯大学奥斯汀分校哈兰·史密斯百年纪念天文学教授，伍顿天体物理学等离子体特性研究中心（Wootton Center for Astrophysical Plasma Properties，WCAPP)主任。
Abstract: In recent years, the advent of the great machines, like the Z-machine and NIF, has made it possible to carry out experiments at the conditions we find in the cosmos. This is the focus of scientific research carried out by the Wootton Center for Astrophysical Plasma Properties (WCAPP). We will explore the physical and astrophysical motivations for the current suite of experiments on the Z-machine and NIF. We test our understanding of the Sun and Sunlike stars, radiation-dominated plasma in accretion disks around compact objects, including supermassive black holes at the centers of galaxies, and our understanding of the compact endpoint of almost all stars, the white dwarf stars. Significant progress toward solving the puzzles surrounding these objects will come from reproducing, studying and benchmarking the underlying physics of astrophysical plasmas in the laboratory. This work and its kind are transforming astronomy and astrophysics from purely observational in nature into an experimental science.
摘要：近年来，Z和NIF等大装置的出现，使我们在实验室开展宇宙条件的实验成为可能。这正是伍顿天体物理学等离子体特性研究中心（WCAPP）的科学研究重点所在。我们将在Z装置和NIF装置上开展系列实验探讨物理和天体物理学的动机所在。我们用这些装置测试我们对太阳和类太阳恒星的认识，对围绕致密天体（包括星系中心的超大质量黑洞）的吸积盘中以辐射主导的等离子体的认识，以及对几乎所有恒星的致密终点——白矮星——的理解。解决围绕这些天体的疑难问题的重大进展将来自于实验室中对天体物理等离子体基础物理学的再现、研究和基准测试。这项工作及类似工作正将天文学和天体物理学从单纯的自然观测转变为实验科学。访问MREWebinar
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延伸阅读
R. Roycroft, P. A. Bradley, E. McCary, et al. Experiments and simulations of isochorically heated warm dense carbon foam at the Texas Petawatt Laser. Matter and Radiation at Extremes 6, 014403 (2021); https://doi.org/10.1063/5.0026595
D. Klir, S. L. Jackson, A. V. Shishlov, et al. Ion acceleration and neutron production in hybrid gas-puff z-pinches on the GIT-12 and HAWK generators. Matter and Radiation at Extremes 5, 026401 (2020); https://doi.org/10.1063/1.5132845Joseph Nilsen, Andrea L. Kritcher, Madison E. Martin, et al.Understanding the effects of radiative preheat and self-emission from shock heating on equation of state measurement at 100s of Mbar using spherically converging shock waves in a NIF hohlraum. Matter and Radiation at Extremes 5, 018401 (2020); https://doi.org/10.1063/1.5131748
E. D. Filippov, I. Yu. Skobelev, G. Revet, et al. X-ray spectroscopy evidence for plasma shell formation in experiments modeling accretion columns in young stars. Matter and Radiation at Extremes 4, 064402 (2019); https://doi.org/10.1063/1.5124350Jian Wu, Yihan Lu, Fengju Sun, et al. Researches on preconditioned wire array Z pinches in Xi’an Jiaotong University. Matter and Radiation at Extremes 4, 036201 (2019); https://doi.org/10.1063/1.5087265
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