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Modelling the IDV Emissions of the BL Lac Objects with a Langevin Type Stochastic Differential Equation
Leung, C. S.1; Wei, J. Y.1; Harko, T.2,3; Kovacs, Z.2,3
2011-06-01
发表期刊JOURNAL OF ASTROPHYSICS AND ASTRONOMY
卷号32期号:1-2页码:189-192
摘要In this paper, we introduce a simplified model for explaining the observations of optical intra-day variability (IDV) of the BL Lac Objects. We assume that the source of the IDV are the stochastic oscillations of an accretion disk around a supermassive black hole. The stochastic fluctuations on the vertical direction of the accretion disk are described by using a Langevin type equation with a damping term and a random, white noise type force. Furthermore, preliminary numerical simulation results are presented, which are based on the numerical analysis of the Langevin stochastic differential equation.
关键词Langevin Type Stochastic Differential Equation Bl Lac Objects
收录类别SCI ; ISTP
语种英语
WOS记录号WOS:000294539300039
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8015
专题空间科学研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing, Peoples R China
2.Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China
3.Univ Hong Kong, Ctr Theoret & Computat Phys, Hong Kong, Hong Kong, Peoples R China
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GB/T 7714
Leung, C. S.,Wei, J. Y.,Harko, T.,et al. Modelling the IDV Emissions of the BL Lac Objects with a Langevin Type Stochastic Differential Equation[J]. JOURNAL OF ASTROPHYSICS AND ASTRONOMY,2011,32(1-2):189-192.
APA Leung, C. S.,Wei, J. Y.,Harko, T.,&Kovacs, Z..(2011).Modelling the IDV Emissions of the BL Lac Objects with a Langevin Type Stochastic Differential Equation.JOURNAL OF ASTROPHYSICS AND ASTRONOMY,32(1-2),189-192.
MLA Leung, C. S.,et al."Modelling the IDV Emissions of the BL Lac Objects with a Langevin Type Stochastic Differential Equation".JOURNAL OF ASTROPHYSICS AND ASTRONOMY 32.1-2(2011):189-192.
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