Cosmic evolution from phase transition of three-dimensional flat space

Arjun Bagchi*, Stephane Detournay, Daniel Grumiller, Joan Simón

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Flat space cosmology spacetimes are exact time-dependent solutions of three-dimensional gravity theories, such as Einstein gravity or topologically massive gravity. We exhibit a novel kind of phase transition between these cosmological spacetimes and the Minkowski vacuum. At sufficiently high temperature, (rotating) hot flat space tunnels into a universe described by flat space cosmology.

Original languageEnglish
Article number181301
JournalPhysical Review Letters
Issue number18
Publication statusPublished - 28 Oct 2013


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