Abstract
Abstract
We study the emergent dynamics of an anisotropic Universe in the context of group field theory condensate cosmology, with a scalar field playing the role of a relational clock. According to different definitions of ‘isotropy’, two anisotropic condensate states are considered and the Bianchi-like dynamics of cosmological anisotropic observables, as well as their quantum fluctuations, are analysed. We find that both anisotropic states become isotropic at late time, reproducing an effective Friedmann dynamics, while anisotropies give small but non-negligible contributions at earlier times, closer to the cosmic bounce.
Funder
John Templeton Foundation
Overseas Visiting Fellow Program of Shanghai University
Deutsche Forschungsgemeinschaft
ATRAE programme of the Spanish Government
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