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Paper detail

Geometric flow equations for the number of space-time dimensions

In this paper we consider new geometric flow equations, called D-flow, which describe the variation of space-time geometries under the change of the number of dimensions. The D-flow is originating from the non-trivial dependence of the volume of space-time manifolds on the number of space-time dimensions and it is driven by certain curvature invariants. We will work out specific examples of D-flow equations and their solutions for the case of D-dimensional spheres and Freund-Rubin Compactification. The discussion of the paper is motivated from recent swampland considerations, where the number $D$ of space-time dimensions is treated as a new swampland parameter.

preprint2021arXivOpen access
Davide De BiasioJulian FreigangDieter Lust
math.DGhep-th
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Davide De BiasioJulian FreigangDieter Lust

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