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astro-ph2003★ 6 cited
Constraining the reionization history with large angle CMB polarization
Loris PL Colombo
The first-year WMAP data release showed that the reionization optical depth to CMB photons is greater than previously thought. This follows from unexpectedly high values of the C^T…
astro-ph2003
Polarization Measures And Nature Of Dark Energy
L. P. L. Colombo, R. Mainini, S. A. Bonometto
Polarization measures, on wide angular scales, together with anisotropy data, can fix DE parameters. Here we discuss the sensitivity needed to provide significant limits. Our analy…