The spherically symmetric Einstein-scalar field system with positive and vanishing cosmological constant: a comparison

被引：3

作者：

Costa, Joao L. ^{[1
,2
]}

机构：

[1] Inst Univ Lisboa ISCTE IUL, Lisbon, Portugal

[2] Univ Tecn Lisboa, Inst Super Tecn, Ctr Anal Matemat Geometria & Sistemas Dinam, P-1096 Lisbon, Portugal

来源：

GENERAL RELATIVITY AND GRAVITATION | 2013年 / 45卷 / 12期

关键词：

Cosmic "no hair; Cosmological constant; de Sitter spacetime; GRAVITATIONAL COLLAPSE; GENERALIZED SOLUTIONS; SINGULARITIES; EQUATIONS;

D O I：

10.1007/s10714-013-1611-0

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We review recent results concerning the spherically symmetric Einstein-scalar field system with positive cosmological constant. We do so by comparing with the classical results of Christodoulou concerning the asymptotically flat case (vanishing cosmological constant) and by discussing some of the issues which have emerged since the publication of our main results. Concerning the positive cosmological constant case, we also sketch an alternative proof of global in (Bondi) time existence, based on energy estimates, which is presumably more flexible and, consequently, amenable to generalizations; other potential improvements and generalizations of our main results are also discussed.

引用

页码：2415 / 2440

页数：26

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