RELATIVISTIC GLOBAL SOLUTIONS OF NEUTRINO-DOMINATED ACCRETION FLOWS

CORC > 厦门大学 > 物理技术－已发表论文

	RELATIVISTIC GLOBAL SOLUTIONS OF NEUTRINO-DOMINATED ACCRETION FLOWS
	Xue, Li ; Liu, Tong ; Gu, Wei-Min ; Lu, Ju-Fu ; Xue L(薛力) ; Liu T(刘彤) ; Gu WM(顾为民) ; Lu JF(卢炬甫)
刊名	http://dx.doi.org/10.1088/0067-0049/207/2/23
	2013
关键词	GAMMA-RAY BURSTS KERR BLACK-HOLES ENERGY DEPOSITION RATE VERTICAL STRUCTURE PAIR ANNIHILATION STELLAR INTERIORS JET PRECESSION CENTRAL ENGINE QUARK STARS DISKS
英文摘要	National Basic Research Program (973 Program) of China [2009CB824800]; National Natural Science Foundation of China [11003016, 11073015, 11103015, 11222328, 11233006]; Natural Science Foundation of Fujian Province of China [2010J01017]; Neutrino-dominated accretion flows (NDAFs) around rotating stellar-mass black holes are plausible candidates for the central engines of gamma-ray bursts (GRBs). We investigate one-dimensional global solutions of NDAFs, taking into account general relativity in the Kerr metric, neutrino physics, and nucleosynthesis more precisely than previous works. We calculate 16 solutions with different characterized accretion rates and black hole spins to exhibit the radial distributions of various physical properties in NDAFs. We confirm that the electron degeneracy has important effects in NDAFs and we find that the electron fraction is about 0.46 in the outer region for all 16 solutions. From the perspective of the mass fraction, free nucleons, He-4, and Fe-56 dominate in the inner, middle, and outer regions, respectively. The influence of neutrino trapping on the annihilation is of importance for the superhigh accretion ((M) over dot = 10 M-circle dot s(-1)) and most of the 16 solutions have an adequate annihilation luminosity for GRBs.
语种	英语
出版者	IOP PUBLISHING LTD
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/91869]
专题	物理技术－已发表论文
推荐引用方式 GB/T 7714	Xue, Li,Liu, Tong,Gu, Wei-Min,et al. RELATIVISTIC GLOBAL SOLUTIONS OF NEUTRINO-DOMINATED ACCRETION FLOWS[J]. http://dx.doi.org/10.1088/0067-0049/207/2/23,2013.
APA	Xue, Li.,Liu, Tong.,Gu, Wei-Min.,Lu, Ju-Fu.,薛力.,...&卢炬甫.(2013).RELATIVISTIC GLOBAL SOLUTIONS OF NEUTRINO-DOMINATED ACCRETION FLOWS.http://dx.doi.org/10.1088/0067-0049/207/2/23.
MLA	Xue, Li,et al."RELATIVISTIC GLOBAL SOLUTIONS OF NEUTRINO-DOMINATED ACCRETION FLOWS".http://dx.doi.org/10.1088/0067-0049/207/2/23 (2013).