The Price of Abandoning Dark Matter Is Nonlocality
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866911779386294272 |
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| author | Deffayet, C. Woodard, R. P. |
| author_facet | Deffayet, C. Woodard, R. P. |
| contents | We consider the classic question posed by Pardo and Spergel about the price of abandoning dark matter in the context of an invariant, metric-based theory of gravity. Our answer is that the price is nonlocality. This has been known for some time in the context of the quasi-static regime. We show that it also applies for cosmology and we exhibit a model which reproduces standard CDM successes such as perturbations in the cosmic microwave background, baryon acoustic oscillations and structure formation. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2402_11716 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The Price of Abandoning Dark Matter Is Nonlocality Deffayet, C. Woodard, R. P. General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics High Energy Physics - Theory We consider the classic question posed by Pardo and Spergel about the price of abandoning dark matter in the context of an invariant, metric-based theory of gravity. Our answer is that the price is nonlocality. This has been known for some time in the context of the quasi-static regime. We show that it also applies for cosmology and we exhibit a model which reproduces standard CDM successes such as perturbations in the cosmic microwave background, baryon acoustic oscillations and structure formation. |
| title | The Price of Abandoning Dark Matter Is Nonlocality |
| topic | General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics High Energy Physics - Theory |
| url | https://arxiv.org/abs/2402.11716 |