Phys. Rev. D 43, 1129–1142 (1991)Thin shells in general relativity and cosmology: The lightlike limitReceived 3 April 1990; published in the issue dated 15 February 1991 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. © 1991 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.43.1129
DOI:
10.1103/PhysRevD.43.1129
PACS:
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