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(created 2024-02-27T10:50:15Z)
The Price of Abandoning Dark Matter Is Nonlocality
https://arxiv.org/abs/2402.11716v1
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 to cosmology and we exhibit a model that reproduces standard CDM successes such as perturbations in the cosmic microwave background, baryon acoustic oscillations, and structure formation.
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Votes: 1
10 months ago
Title:
A novel model of non-singular oscillating cosmology on flat
Randall-Sundrum II braneworld
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Author:
Rikpratik Sengupta
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Joseph H. P. Jackson, Hooshyar Assadullahi, Andrew D. Gow, Kazuya Koyama, Vincent Vennin, David Wands
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11 months ago
Title:
The NANOGrav 15-year data set: Search for Transverse Polarization Modes
in the Gravitational-Wave Background
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Author:
Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, Zaven Arzoumanian, Jeremy Baier, Paul T. Baker, Bence Bcsy, Laura Blecha et al.
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11 months ago
Title:
Fast production of cosmological emulators in modified gravity: the
matter power spectrum
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Author:
Bartolomeo Fiorini, Kazuya Koyama, Tessa Baker
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Votes: 1
11 months ago
Title:
Stability of five-dimensional Myers-Perry black holes under massive
scalar perturbation: bound states and quasinormal modes
(View PDF)
Author:
Wenbin Li, Kai-Peng Lu, W. LiMing, Jia-Hui Huang
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Votes: 1
11 months ago Author:
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