Table of Contents
Symmetry, Volume 11, Issue 5 (May 2019)
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Cover Story (view full-size image) We derive a scalar junction condition and a generalized Lanczos equation across lightlike shock [...] Read more. We derive a scalar junction condition and a generalized Lanczos equation across lightlike shock waves in cosmologically viable scalar–tensor gravity theories. The first constrains the energy density, current, and pressure of the shock wave, while the second relates them to the jumps in the geometry and transverse derivative of the scalar. We thank Cecília Gergely for contributing the cover figure. View this paper.