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gr-qc2002
Cosmic Strings Coupled With a Massless Scalar Field
Ozay Gurtug, Izzet Sakalli
A scalar field generalization of Xanthopoulos's cylindrically symmetric solutions of the vacuum Einstein equation is obtained. The obtained solution preserves the properties of the…
gr-qc2002
Null Singularity Formation by Scalar Fields in Colliding Waves and Black Holes
Ozay Gurtug, Mustafa Halilsoy
It was believed that when gravitational, electromagnetic and scalar waves interact, a spacelike curvature singularity or Cauchy horizon develops because of mutual focusing. We show…