The big bang as a higher-dimensional shock wave
P. S. Wesson, H. Liu, S. S. Seahra
Abstract
We give an exact solution of the five-dimensional field equations which describes a shock wave moving in time and the extra (Kaluza-Klein) coordinate. The matter in four-dimensional spacetime is a cosmology with good physical properties. The solution suggests to us that the 4D big bang was a 5D shock wave.
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