Apparent superluminal expansion in a quasar neutrino halo |
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| Authors: | Zhang Jialu Xiang Shouping |
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| Institution: | (1) Centre for Astrophysics, University of Science and Technology of China, Hefei, Anhui, China;(2) Laboratoire d'astrophysique, Observatoire de Paris-Meudon and Université Paris 7, Meudon, France |
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| Abstract: | We deduce the apparent velocity formula of general relativity for a source moving in a spherical neutrino halo and show that, considering gravitational effects on the motion of photons, the neutrino halo around a quasar may cause apparent superluminal phenomena. Sample calculations illustrating this result are shown. |
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