Generalised inflation with a gravitational wave background
V. N. Lukash, E. V. Mikheeva, V. Muller, A. M. Malinovsky
Abstract
We propose a Lambda-inflation model which explains a significant part of the COBE signal by primordial cosmic gravitational waves. The primordial density perturbations fulfill both the constraints of large-scale microwave background and galaxy cluster normalization. The model is tested against the galaxy cluster power spectrum and the high-multipole angular CMB anisotropy.
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