Initial conditions of the universe: how much isocurvature is allowed?

Initial conditions of the universe: how much isocurvature is allowed?

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We investigate the constraints imposed by current data on correlated mixtures of adiabatic and nonadiabatic primordial perturbations. We discover subtle flat directions in parameter space that tolerate large (approximately 60%) fractions of nonadiabatic fluctuations. In particular, larger values of...

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Библиографические подробности
Главные авторы:	Bucher, M, Dunkley, J, Ferreira, P, Moodley, K, Skordis, C
Формат:	Journal article
Язык:	English
Опубликовано:	2004

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