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The acceleration of the universe and the physics behind it

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abstract

Using a general classification of dark enegy models in four classes, we discuss the complementarity of cosmological observations to tackle down the physics beyond the acceleration of our universe. We discuss the tests distinguishing the four classes and then focus on the dynamics of the perturbations in the Newtonian regime. We also exhibit explicitely models that have identical predictions for a subset of observations.

fields

astro-ph.CO 1

years

2025 1

verdicts

UNVERDICTED 1

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Dark energy and cosmic acceleration

astro-ph.CO · 2025-02-02 · unverdicted · novelty 0.0

A review chapter summarizing the history, theory, and current observations of dark energy, presenting no new research results.

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  • Dark energy and cosmic acceleration astro-ph.CO · 2025-02-02 · unverdicted · none · ref 107 · internal anchor

    A review chapter summarizing the history, theory, and current observations of dark energy, presenting no new research results.