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Doppler peaks from active perturbations
Joao Magueijo, Andreas Albrecht, David Coulson +1
We examine how the qualitative structure of the Doppler peaks in the angular power spectrum of the cosmic microwave anisotropy depends on the fundamental nature of the perturbation…
Non-Gaussian CMBR angular power spectra
J. C. R. Magueijo
In this paper we show how the prediction of CMBR angular power spectra in non-Gaussian theories is affected by a cosmic covariance problem, that is correlation…
Causality, randomness, and the microwave background
Andreas Albrecht, David Coulson, Pedro Ferreira +1
Fluctuations in the cosmic microwave background (CMB) temperature are being studied with ever increasing precision. Two competing types of theories might describe the origins of th…
Analytical modeling of large-angle CMBR anisotropies from textures
J. C. R. Magueijo
We propose an analytic method for predicting the large angle CMBR temperature fluctuations induced by model textures. The model makes use of only a small number of phenomenological…