Physics and astronomy
Cosmology and gravity in the new era of multi-messenger astronomy
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We review the standard model of cosmology and gravity, namely LambdaCDM paradigm and general relativity. We mention their successes and we describe possible tensions that appear between theoretical predictions and observations, that may ask for modifications of the standard lore. Finally, we describe how gravitational wave observations and multi-messenger astronomy provides a new tool to investigate the universe.

Keywords:
cosmology
gravity
general relativity
modified gravity
dark energy
dark matter
inflation
black holes
gravitational waves
multi-messenger astronomy
DOI: https://doi.org/10.61109/cs.202309.114
Submitted
19 June, 2023
Accepted
19 July, 2023
Published
31 August, 2023
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E.N. Saridakis, Cosmology and gravity in the new era of multi-messenger astronomy, Coshare Science 01, v2, 1-78 (2023).
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E.N. Saridakis, Cosmology and gravity in the new era of multi-messenger astronomy, Coshare Science 01, video-2, 1-78 (2023).
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