Analysis & PDE

  • Anal. PDE
  • Volume 8, Number 7 (2015), 1603-1674.

Quantitative decay rates for dispersive solutions to the Einstein-scalar field system in spherical symmetry

Jonathan Luk and Sung-Jin Oh

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Abstract

We study the future causally geodesically complete solutions of the spherically symmetric Einstein-scalar field system. Under the a priori assumption that the scalar field ϕ scatters locally in the scale-invariant bounded-variation (BV) norm, we prove that ϕ and its derivatives decay polynomially. Moreover, we show that the decay rates are sharp. In particular, we obtain sharp quantitative decay for the class of global solutions with small BV norms constructed by Christodoulou. As a consequence of our results, for every future causally geodesically complete solution with sufficiently regular initial data, we show the dichotomy that either the sharp power law tail holds or that the spacetime blows up at infinity in the sense that some scale invariant spacetime norms blow up.

Article information

Source
Anal. PDE, Volume 8, Number 7 (2015), 1603-1674.

Dates
Received: 4 May 2014
Revised: 16 April 2015
Accepted: 24 June 2015
First available in Project Euclid: 16 November 2017

Permanent link to this document
https://projecteuclid.org/euclid.apde/1510843166

Digital Object Identifier
doi:10.2140/apde.2015.8.1603

Mathematical Reviews number (MathSciNet)
MR3399133

Zentralblatt MATH identifier
1326.35385

Subjects
Primary: 35Q76: Einstein equations

Keywords
Einstein-scalar field system spherical symmetry quantitative decay rate

Citation

Luk, Jonathan; Oh, Sung-Jin. Quantitative decay rates for dispersive solutions to the Einstein-scalar field system in spherical symmetry. Anal. PDE 8 (2015), no. 7, 1603--1674. doi:10.2140/apde.2015.8.1603. https://projecteuclid.org/euclid.apde/1510843166


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