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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
Source PublicationJOURNAL OF ASTROPHYSICS AND ASTRONOMY
Volume32Issue:1-2Pages:189-192
AbstractIn 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.
KeywordLangevin Type Stochastic Differential Equation Bl Lac Objects
Indexed BySCI ; ISTP
Language英语
WOS IDWOS:000294539300039
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8015
Collection空间科学研究部
Affiliation1.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
Recommended Citation
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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