国家自然科学基金(10703002)

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相关期刊：《Science China(Physics,Mechanics & Astronomy)》《Research in Astronomy and Astrophysics》更多>>
相关主题：BURSTSACCRETIONMALMAGNETIZEDMAGNETIC_FIELD更多>>
相关领域：天文地球理学金属学及工艺化学工程更多>>
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A two-component jet model based on the Blandford-Znajek and Blandford-Payne processes
《Research in Astronomy and Astrophysics》2012年第7期817-828,共12页Wei Xie Wei-Hua Lei Yuan-Chuan Zou Ding-Xiong Wang Qingwen Wu Jiu-Zhou Wang 
supported by the National Natural Science Foundation of China (Grant Nos. 11173011, 11003004,10703002, 11143001, 11133005 and 11103003);the National Basic Research Program of China(973 Program, 2009CB824800);Fundamental Research Funds for the Central Universities(HUST: 2011TS159)
We propose a two-component jet model consistent with the observations of several gamma ray bursts （GRBs） and active galactic nuclei （AGNs）. The jet consists of inner and outer components, which are supposed to be ...
关键词：gamma rays： bursts -- galaxies： jets -- accretion accretion disks --magnetic fields -- jets and outflows 
A toy model for magnetized neutrino-dominated accretion flows
《Science China(Physics,Mechanics & Astronomy)》2010年第S1期98-101,共4页LEI WeiHua,WANG DingXiong,ZHANG Lei,GAN ZhaoMing & ZOU YuanChuan School of Physics,Huazhong University of Science and Technology,Wuhan 430074,China 
supported by the National Natural Science Foundation of China (Grant Nos. 10873005,10847127,and 10703002);the Research Fund for the Doctoral Program of Higher Education (Grant No. 200804870050);the National Basic Research Program of China (Grant No. 2009CB824800)
In this paper,we present a simplified model for a magnetized neutrino-dominated accretion flow(NDAF) in which the effect of black hole(BH) spin is taken into account by adopting a set of relativistic correction factor...
关键词：black hole GAMMA-RAY BURSTS ACCRETION DISC magnetic field 
Early afterglows from radially structured outflows and the application to X-ray shallow decays
《Research in Astronomy and Astrophysics》2009年第8期911-920,共10页Xue-Wen Liu Xue-Feng Wu Yuan-Chuan Zou Tan Lu 
supported by the National Natural Science Foundation of China(grant Nos. 10473023, 10503012, 10621303, 10633040 and 10703002);the National Basic Research Program of China (973 Program 2009CB824800);XFW also thanks the support of the NSF AST0307376, NASA NNX07AJ62G, NNX08AL40G, the China Postdoctoral Science Foundation, and the Postdoctoral Research Award of Jiangsu Province
In the fireball model, it is more physically realistic that ganuna-ray burst （GRB） ejecta have a range of bulk Lorentz factors （assuming M ∝ Г^-8）. The low Lorentz factor part of the ejecta will catch up with th...
关键词：GAMMA-RAYS bursts -- hydrodynamics -- radiation mechanisms nonther- mal -- shock waves 
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