实验室天体物理研究进展
Recent advances in laboratory astrophysics
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摘要: 近年来，随着高功率激光实验装置的广泛应用，成像技术和模拟分析技术水平的进一步提高，实验室天体物理研究取得了一些新的重要进展，如激光等离子体实验中对流等离子体磁场结构，冲击波中磁场的湍流放大效应，实验室模拟原恒星喷流中磁场的准直效应和太阳风与偶极磁场之间相互作用等方面的研究。这些研究加深了人们对原恒星以及Herbig—Haro天体喷流、超新星遗迹冲击波、地球磁层中磁场活动等天体物理现象的理解。文章对上述几个方向进行了介绍，并对未来研究方向做一些展望。Abstract: In recent years, intense laser facilities have been widely used in laboratory astrophysics,and with the development of imaging and analyzing techniques, important advances have been made in this field. These include self-organized electromagnetic field structures in laser-produced counter-streaming plasmas, turbulent amplification of magnetic fields in laboratory laser-produced shock waves, laboratory formation of a scaled protostellar jet by coaligned poloidal magnetic fields, and modeling of the interaction of the solar wind with a dipole magnetic field using the intense Shenguang II lasers. The results achieved have promoted our understanding of protostellar bodies, jets of Herbig-Haro objects, the shockwave of supernova remains, and the earth's magnetosphere near the pole regions. This article will present an overview of the above topics,as well as some outlook on future laboratory astrophysics research.
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Keywords:
- laboratory astrophysics /
- intense laser /
- plasma /
- jets /
- shockwave
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