Contracting asymptotics of the linearized lapse-scalar field sub-system of the Einstein-scalar field equations

Abstract

We prove an asymptotic stability result for a linear coupled hyperbolic-elliptic system on a large class of singular background spacetimes in CMC gauge on the n-torus. At each spatial point these background spacetimes are perturbations of Kasner-like solutions of the Einstein-scalar field equations which are not required to be close to the homogeneous and isotropic case. We establish the existence of a homeomorphism between Cauchy data for this system and a set of functions naturally associated with the asymptotics in the contracting direction, which we refer to as asymptotic data. This yields a complete characterization of the degrees of freedom of all solutions of this system in terms of their asymptotics. Spatial derivative terms can in general not be fully neglected which yields a clarification of the notion of asymptotic velocity term dominance (AVTD).

arXiv comment58 pages. Fixed several further typos. Further clarifications of the results. Results unchanged. Agrees with published version

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Cited by in corpus (1)

• Bianchi I "asymptotically Kasner" solutions of the Einstein scalar field equations