Laboratory Investigation of Astrophysical Collimated Jets with Intense Lasers

被引：12

作者：

Yuan, Dawei ^{[1
]}

Li, Yutong ^{[2
,3
,4
]}

Tao, Tao ^{[5
]}

Wei, Huigang ^{[1
]}

Zhong, Jiayong ^{[3
,6
]}

Zhu, Baojun ^{[2
]}

Li, Yanfei ^{[2
]}

Zhao, Jiarui ^{[2
]}

Li, Fang ^{[2
]}

Han, Bo ^{[6
]}

Zhang, Zhe ^{[2
]}

Liang, Guiyun ^{[1
]}

Wang, Feilu ^{[1
,7
]}

Hu, Guangyue ^{[5
]}

Zheng, Jian ^{[3
,5
]}

Jiang, Shaoen ^{[8
]}

Du, Kai ^{[8
]}

Ding, Yongkun ^{[8
]}

Zhou, Shenlei ^{[9
]}

Zhu, Baoqiang ^{[9
]}

Zhu, Jianqiang ^{[9
]}

Zhao, Gang ^{[1
,7
]}

Zhang, Jie ^{[3
,10
,11
]}

机构：

[1] Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China

[2] Chinese Acad Sci, Inst Phys, Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[3] Shanghai Jiao Tong Univ, Collaborat Innovat Ctr IFSA CICIFSA, Shanghai 200240, Peoples R China

[4] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China

[5] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China

[6] Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China

[7] Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 101408, Peoples R China

[8] China Acad Engn Phys, Res Ctr Laser Fus, Mianyang 621900, Peoples R China

[9] Chinese Acad Sci, Natl Lab High Power Laser & Phys, Shanghai 201800, Peoples R China

[10] Shanghai Jiao Tong Univ, Key Lab Laser Plasmas MoE, Shanghai 200240, Peoples R China

[11] Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China

来源：

ASTROPHYSICAL JOURNAL | 2018年 / 860卷 / 02期

基金：

中国国家自然科学基金; 中国博士后科学基金; 北京市自然科学基金;

关键词：

Herbig-Haro objects; instabilities; ISM: jets and outflows; radiation: dynamics; NUMERICAL SIMULATIONS; PLASMAS; FLOWS; HYDRODYNAMICS; OUTFLOWS; CODE;

D O I：

10.3847/1538-4357/aac3d5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

One of the remarkable dynamic features of the Herbig-Haro (HH) object is its highly collimated propagation far away from the accretion disk. Different factors are proposed to give us a clearly physical explanation behind these fascinating phenomena, including magnetic field, radiation cooling, surrounding medium, and so on. Laboratory astrophysics, as a new complementary method of studying astrophysical issues, can provide an insight into these behaviors in a similar and controllable laboratory environment. Here we report the scaled laboratory experiments that a well-collimated radiative jet with high Mach number is successfully created to mimic the evolution of HH objects. According to our results, we find that the radiation cooling effect within the jet and the outer rare surrounding plasmas from the X-ray (>keV) photoionized target contribute to the jet collimation. The local nonuniform density structures along the collimated radiative jet axis are caused by the pressure competition between the inner jet and the outer plasmas. The corresponding simulations performed with radiation hydrodynamic codes FLASH reveal how the radiative jet evolves.

引用

页数：7

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