Non-perturbative effects of primordial curvature perturbations on the apparent value of a cosmological constant - INSPIRE

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Non-perturbative effects of primordial curvature perturbations on the apparent value of a cosmological constant

Antonio Enea Romano
(
- Kyoto U., Yukawa Inst., Kyoto and
- McGill U. and
- Antioquia U. and
- Crete U.
)
,
Sergio Sanes
(
- Antioquia U.
)
,
Misao Sasaki
(
- Kyoto U., Yukawa Inst., Kyoto
)
,
Alexei A. Starobinsky
(
- Landau Inst. and
- Tokyo U., RESCEU
)

Nov 6, 2013

6 pages

Published in:

EPL 106 (2014) 6, 69002

Published: 2014

e-Print:

1311.1476 [astro-ph.CO]

DOI:

10.1209/0295-5075/106/69002

Report number:

YITP-13-113

View in:

ADS Abstract Service

reference search12 citations

Citations per year

Abstract: (IOP)

We study effects on the luminosity distance of a local inhomogeneity seeded by primordial curvature perturbations of the type predicted by the inflationary scenario and constrained by the cosmic microwave background radiation. We find that a local underdensity originated from a one, two or three standard deviations peaks of the primordial curvature perturbations field can induce corrections to the value of a cosmological constant of the order of

0.6{\%},1{\%},1.5{\%}

, respectively. These effects cannot be neglected in the precision cosmology era in which we are entering. Our results can be considered an upper bound for the effect of the monopole component of the local non-linear structure which can arise from primordial curvature perturbations and requires a fully non-perturbative relativistic treatment.

Note:

8 pages, 6 figures, 1 table, references added, revised version accepted for publication in EPL

98.80.Es
98.80.-k
curvature: primordial
effect: nonperturbative
cosmological constant
cosmic background radiation
cosmological model
inflation
monopole
Hubble constant

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Figures(18)

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