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Dynamical equation of post Newtonian quasi-rigid body
Xu, CM; Tao, JH; Huang, TY; Wu, XJ
AbstractWe derive the dynamical equation of a post Newtonian (PN) quasi-rigid body from the general rotational equation of motion, i.e. the PN rotational equation of motion for a quasi-rigid body. It is emphasized that a rotational angular velocity vector and a figure axis besides the first post Newtonian (1PN) spin vector can be defined and realized for the model of a PN quasi-rigid body model constructed recently. Actually, we have shown that the moment of inertia tensor of a quasi-rigid body can be transformed into a diagonal form by an orthogonal transformation, which defines the principal axes of inertia of the body. As an example, its torque-free motion is discussed and a PN Poinsot configuration, which is similar to the Newtonian one with a small 1PN correction, is solved.
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000224453100005
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Document Type期刊论文
Affiliation1.Nanjing Normal Univ, Dept Phys, Nanjing 210097, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
3.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
Recommended Citation
GB/T 7714
Xu, CM,Tao, JH,Huang, TY,et al. Dynamical equation of post Newtonian quasi-rigid body[J]. CHINESE PHYSICS LETTERS,2004,21(10):1884-1886.
APA Xu, CM,Tao, JH,Huang, TY,&Wu, XJ.(2004).Dynamical equation of post Newtonian quasi-rigid body.CHINESE PHYSICS LETTERS,21(10),1884-1886.
MLA Xu, CM,et al."Dynamical equation of post Newtonian quasi-rigid body".CHINESE PHYSICS LETTERS 21.10(2004):1884-1886.
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