Abstract
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6.3 × 1016 GeV the deflection of light is small, agreeing with the linearized result; however for 6.3 × 1016 GeV 
2 × 1017 GeV the singularity is too close for comfort.
doi:10.1016/0370-2693(93)91278-U 
Copyright © 1993 Published by Elsevier Science B.V.
No glory in cosmic string theory
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G. W. Gibbons
Received 24 March 1993;
revised 13 April 1993.
Editor: P.V. Landshoff
Available online 16 October 2002.
Abstract
Light deflection by non-axisymmetric cosmic strings is studied. Various properties of the geodesics are obtained including the non-existence of closed or almost closed geodesics. It is shown that the behaviour of the geodesics resembles the case of the axisymmetric cosmic strings usually studied. In particular no exotic behaviour such as glory scattering is possible. The usual formula for the deflection of distant geodesics is obtained. An application to the slow motion of SU(3) monopoles, considered as geodesic motion on a moduli space, is also given.
