The role of CMB polarization in constraining primordial non-adiabatic fluctuations

Details The role of CMB polarization in constraining primordial non-adiabatic fluctuations The role of CMB polarization in constraining primordial non-adiabatic fluctuations

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..586..196b&link_type=abstract

RELATIVISTIC ASTROPHYSICS: 20th Texas Symposium. AIP Conference Proceedings, Volume 586, pp. 196-201 (2001).

Astronomy and Astrophysics

Astrophysics

Background Radiations, Post-Newtonian Approximation, Perturbation Theory, Related Approximations

Scientific paper

We review the general primordial perturbation valid at early times in a universe with no new physics and consisting of four regular isocurvature modes in addition to an adiabatic growing mode. The prospects for testing the adiabaticity of the cosmic microwave background (CMB) anisotropy using MAP and PLANCK are then discussed. The role of CMB polarization in constraining the presence of primordial isocurvature modes is investigated. .

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