publication . Article . 2016

Simulating the universe(s) Ill: observables for the full bubble collision spacetime

Johnson, M. C.; Wainwright, C. L.; Aguirre, A.; Peiris, H. V.;
Open Access English
  • Published: 01 Jul 2016
  • Publisher: IOP PUBLISHING LTD
  • Country: United Kingdom
Abstract
This is the third paper in a series establishing a quantitative relation between inflationary scalar field potential landscapes and the relic perturbations left by the collision between bubbles produced during eternal inflation. We introduce a new method for computing cosmological observables from numerical relativity simulations of bubble collisions in one space and one time dimension. This method tiles comoving hypersurfaces with locally-perturbed Friedmann-Robertson-Walker coordinate patches. The method extends previous work, which was limited to the spacetime region just inside the future light cone of the collision, and allows us to explore the full bubble-...
Subjects
arXiv: General Relativity and Quantum Cosmology
free text keywords: Science & Technology, Physical Sciences, Astronomy & Astrophysics, Physics, Particles & Fields, Physics, Cosmic strings, domain walls, monopoles, cosmological perturbation theory, inflation, initial conditions and eternal universe, Vacuum
Related Organizations
Funded by
EC| COSMICDAWN
Project
COSMICDAWN
Understanding the Origin of Cosmic Structure
  • Funder: European Commission (EC)
  • Project Code: 306478
  • Funding stream: FP7 | SP2 | ERC
,
NSF| Programs on Critical Problems in Physics, Astrophysics and Biophysics at the Aspen Center for Physics
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1066293
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Physics
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UCL Discovery
Article . 2016
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