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Schwarzschild black hole with global monopole charge
Authors:Naresh Dadhich  K Narayan  U A Yajnik
Institution:(1) Inter-University Centre for Astronomy and Astrophysics, Post Bag 4, 411 007 Ganeshkhind, Pune, India;(2) Department of Physics, Indian Institute of Technology, 400 076 Mumbai, India
Abstract:We derive the metric for a Schwarzschild black hole with global monopole charge by relaxing asymptotic flatness of the Schwarzschild field. We then study the effect of global monopole charge on particle orbits and the Hawking radiation. It turns out that existence, boundedness and stability of circular orbits scale up by (1−8πη 2)−1, and the perihelion shift and the light bending by (1−8πη 2)−3/2, while the Hawking temperature scales down by (1−8πη 2)2 the Schwarzschild values. Hereη is the global charge.
Keywords:Black hole  Schwarzschild solution  global monopole  Hawking radiation  particle orbits  topological defect
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