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Dynamical dark energy in light of cosmic distance measurements II: a study using current observations (2404.06310v3)
Published 9 Apr 2024 in astro-ph.CO
Abstract: We extract key information of dark energy from current observations of BAO, OHD and $H_0$, and find hints of dynamical behaviour of dark energy. In particular, a dynamical dark energy model whose equation of state crosses $-1$ is favoured by observations. We also find that the Universe has started accelerating at a lower redshift than expected.
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