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Classical and Relativistic Flux of Energy Conservation in Astrophysical Jets 被引量:2

Classical and Relativistic Flux of Energy Conservation in Astrophysical Jets
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摘要 The conservation of the energy flux in turbulent jets which propagate in the intergalactic medium (IGM) allows deducing the law of motion in the classical and relativistic cases. Three types of IGM are considered: constant density, hyperbolic and inverse power law decrease of density. An analytical law for the evolution of the magnetic field along the radio-jets is deduced using a linear relation between the magnetic pressure and the rest density. Astrophysical applications are made to the centerline intensity of synchrotron emission in NGC315 and to the magnetic field of 3C273. The conservation of the energy flux in turbulent jets which propagate in the intergalactic medium (IGM) allows deducing the law of motion in the classical and relativistic cases. Three types of IGM are considered: constant density, hyperbolic and inverse power law decrease of density. An analytical law for the evolution of the magnetic field along the radio-jets is deduced using a linear relation between the magnetic pressure and the rest density. Astrophysical applications are made to the centerline intensity of synchrotron emission in NGC315 and to the magnetic field of 3C273.
作者 Lorenzo Zaninetti Lorenzo Zaninetti(Physics Department, Turin, Italy)
机构地区 Physics Department
出处 《Journal of High Energy Physics, Gravitation and Cosmology》 2016年第1期41-56,共16页 高能物理(英文)
关键词 Galaxies: Jets Relativity Galaxies: Jets Relativity
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