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Title: Thin shells in general relativity and cosmology: The lightlike limit

Journal Article · · Physical Review, D (Particles Fields); (USA)
 [1];  [2]
  1. Physics Department, UFR Sciences, Universite de Tours, 37200 France (FR) Departement d'Astrophysique Relativiste et Cosmologie, Observatoire de Paris, 92190 Meudon (France)
  2. Canadian Institute for Advanced Research Cosmology Program, Theoretical Physics Institute, University of Alberta, Edmonton (Canada)

This paper shows how the structure and dynamics of a thin shell traveling at the speed of light can be obtained from a simple and convenient prescription that is a straightforward extension and continuous limit of the familiar extrinsic-curvature algorithm for subluminal shells. It allows the space-time coordinates to be chosen freely and independently on the two sides of the shell. The prescription is applied to several examples of interest in general relativity and cosmology.

OSTI ID:
5835627
Journal Information:
Physical Review, D (Particles Fields); (USA), Vol. 43:4; ISSN 0556-2821
Country of Publication:
United States
Language:
English