Null shells: general matching across null boundaries and connection with cut-and-paste formalism

11 Feb 2021 M. Manzano M. Mars

Null shells are a useful geometric construction to study the propagation of infinitesimally thin concentrations of massless particles or impulsive waves. In this paper, we determine and study the necessary and sufficient conditions for the matching of two spacetimes with respective null embedded hypersurfaces as boundaries... (read more)

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  • GENERAL RELATIVITY AND QUANTUM COSMOLOGY