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- W2892648512 endingPage "057" @default.
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- W2892648512 abstract "We study a toy model of a multiverse consisting of canonically quantized universes that interact with each other on a quantum level based on a field-theoretical formulation of the Wheeler-DeWitt equation. This interaction leads to the appearance of a pre-inflationary phase in the evolution of the individual universes. We analyze scalar perturbations within the model and calculate the influence of the pre-inflationary phase onto the power spectrum of these perturbations. The result is that there is a suppression of power on large scales, which can describe well the Planck 2018 data for the cosmic microwave background anisotropies and could thus indicate a possible solution to the observed quadrupole discrepancy." @default.
- W2892648512 created "2018-10-05" @default.
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- W2892648512 date "2019-02-28" @default.
- W2892648512 modified "2023-10-18" @default.
- W2892648512 title "The interacting multiverse and its effect on the cosmic microwave background" @default.
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- W2892648512 doi "https://doi.org/10.1088/1475-7516/2019/02/057" @default.
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