From the 1 of 3 linked papers with an AI index.
1 citations · 1 across the 3 of their papers we have counts for
3 papers
Modified Friedmann equations and non-singular cosmologies in non-polynomial quasi-topological gravities
Johanna Borissova, João Magueijo
The paper studies four‑dimensional non‑polynomial quasi‑topological gravity, derives modified Friedmann equations, and demonstrates that such theories can yield cosmological models…
Bimodular Gravity: Vacuum Evolution with a Frame-Dependent Phantom Crossing
James Hallam, João Magueijo
Unimodular gravity recasts the cosmological constant as an integration constant, fixed by a constraint on the volume element rather than chosen in the action. We ask what becomes o…
Teleocosmology and quantum post-selection
Paul C. W. Davies, João Magueijo
Although cosmic acceleration is well established, its physical origin remains contentious. Most explanations invoke either a non-zero vacuum energy, i.e. a cosmological constant, o…