Inflating an inhomogeneous universe
… Subhorizon inhomogeneities contribute only perturbatively to the Newtonian … inhomogeneities.
Assuming we start in an almost-FLRW universe, these small-scale inhomogeneities can …
Assuming we start in an almost-FLRW universe, these small-scale inhomogeneities can …
Beginning inflation in an inhomogeneous universe
… observed today in our universe at horizon scales [1–4]. … starts, it rapidly inflates away any
inhomogeneities, in order to … universe will be increasingly dominated by inhomogeneities rather …
inhomogeneities, in order to … universe will be increasingly dominated by inhomogeneities rather …
Inflation in the Universe
JD Barrow, MS Turner - Nature, 1981 - nature.com
… into discrete inhomogeneities of … inhomogeneity, rather than treat them as initial data, it is
necessary (but not sufficient) to find mechanisms which can remove or considerably inflate the …
necessary (but not sufficient) to find mechanisms which can remove or considerably inflate the …
The inflationary universe
AH Guth - Cosmology, 2023 - taylorfrancis.com
… , because the universe that we observe is in many ways very inhomogeneous. The stars, …
The energy stored in the false vacuum became larger and larger as the universe inflated. Then …
The energy stored in the false vacuum became larger and larger as the universe inflated. Then …
Inflation in a closed universe
B Ratra - Physical Review D, 2017 - APS
… spectrum for energy density inhomogeneities in a closed universe, we study a … inflating
closed de Sitter space derived from Hawking’s prescription that the quantum state of the universe …
closed de Sitter space derived from Hawking’s prescription that the quantum state of the universe …
The accelerated expansion of the Universe challenged by an effect of the inhomogeneities. A review
MN Celerier - arXiv preprint astro-ph/0702416, 2007 - arxiv.org
… This is why we have proposed a more conservative explanation, ascribing the departure of
the observed universe from an Einstein-de Sitter model to the influence of inhomogeneities. …
the observed universe from an Einstein-de Sitter model to the influence of inhomogeneities. …
How does inflation isotropize the Universe?
P Anninos, RA Matzner, T Rothman, MP Ryan Jr - Physical Review D, 1991 - APS
… in an inhomogeneous rather than a homogeneous universe. … , implying an inhomogeneous
scalar field P and minimally … fields together vanishes as the universe inflates. This is due to …
scalar field P and minimally … fields together vanishes as the universe inflates. This is due to …
The self-reproducing inflationary universe
A Linde - Scientific American, 1994 - JSTOR
… Our universe appears smooth and uniform because all inhomogeneities were stretched …
the computer shrank down the original image, rather than expanding the inflating domains.) …
the computer shrank down the original image, rather than expanding the inflating domains.) …
Effective inhomogeneous inflation: curvature inhomogeneities of the Einstein vacuum
T Buchert, N Obadia - Classical and Quantum Gravity, 2011 - iopscience.iop.org
… inhomogeneous universe models and argue that, already in the absence of sources, an
effective scalar field arises through foliating and spatially averaging inhomogeneous … universe …
effective scalar field arises through foliating and spatially averaging inhomogeneous … universe …
Nonperturbative amplification of inhomogeneities in a self-reproducing universe
A Linde, D Linde, A Mezhlumian - Physical Review D, 1996 - APS
… inflationary universe. We show that the main fraction of volume of the Universe in a state …
If one assumes that we are typical observers living in the Universe at a given moment of time…
If one assumes that we are typical observers living in the Universe at a given moment of time…