Probing dark energy with the CMB: Projected constraints from MAP and Planck - INSPIRE

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Probing dark energy with the CMB: Projected constraints from MAP and Planck

Amedeo Balbi
(
- Rome U., Tor Vergata and
- INFN, Rome2
)
,
C. Baccigalupi
(
- SISSA, Trieste
)
,
F. Perrotta
(
- SISSA, Trieste
)
,
S. Matarrese
(
- Padua U. and
- INFN, Padua
)
,
N. Vittorio
(
- Rome U., Tor Vergata and
- INFN, Rome2
)

Jan, 2003

4 pages

Published in:

Astrophys.J.Lett. 588 (2003) L5-L8

e-Print:

astro-ph/0301192 [astro-ph]

DOI:

10.1086/375360

View in:

ADS Abstract Service

reference search29 citations

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Abstract: (arXiv)

We investigate the accuracy attainable by forthcoming space-based observations of the cosmic microwave background (CMB) temperature and polarization anisotropy in constraining the dark energy density parameter \Oq and equation of state \wq=p_{\rm Q}/\rho_{\rm Q}. Despite degeneracies among parameters, it is possible for high precision observations such as those from WMAP and Planck to provide interesting information on the nature of the dark energy. Furthermore, we show that imposing a flat universe constraint makes it possible to obtain tight limits in the space of dark energy parameters even from the CMB alone.

References(13)

Figures(0)

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Carlo Baccigalupi
(
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)
,
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(
- Rome U., Tor Vergata and
- INFN, Rome2
)
,
Sabino Matarrese
(
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- INFN, Padua
)
,
Francesca Perrotta
(
- SISSA, Trieste and
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)
,
Nicola Vittorio
(
- Rome U., Tor Vergata and
- INFN, Rome2
)

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)

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(
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)
,
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(
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)
,
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,
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)
,
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)

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(
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)
,
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(
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)
,
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