Abstract

Dedicated to the memory of Lars Brink (1943–2022) for his help and friendship over many years In this paper, we argue that the existence of solitons in theories in which local symmetries are spontaneously broken requires space–time to be enlarged by additional coordinates that are associated with large local transformations. In the context of gravity theories, the usual coordinates of space–time can be thought of arising in this way. E theory automatically contains such an enlarged space–time. We propose that space–time appears in an underlying theory when the local symmetries are spontaneously broken.

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