Massless Cosmic Strings in Spacetimes with Global Parabolic Isometries

11 Jan 2020 Fursaev Dmitri V.

A class of curved spacetimes with global parabolic isometries (GPI) is introduced. These isometries have fixed point sets on two-dimensional null surfaces which can be interpreted as worldsheets of massless cosmic strings... (read more)

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  • GENERAL RELATIVITY AND QUANTUM COSMOLOGY