Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2000-03-06
Mod.Phys.Lett. A15 (2000) 1409-1418
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
Some comments are incorporated. Nature of the solution for $\omega\to\infty$ has been included
Scientific paper
10.1142/S021773230000195X
Gravitational field of a nonstatic global string has been studied in the context of Brans-Dicke theory of gravity. Both the metric components and the BD scalar field are assumed to be nonseparable functions of time and space.The spacetime may or may not have any singularity at a finite distance from the string core but the singularity at a particular time always remains. It has been shown that the spacetime exhibits both outgoing and incoming gravitational radiation.
Banerjee Narayan
Sen Abhijit
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