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MONDian three-body predictions for LISA Pathfinder
Neil Bevis, Joao Magueijo, Christian Trenkel +1
In previous work it was shown that MOND theories predict anomalously strong tidal stresses near the saddle points of the Newtonian gravitational potential. An analytical examinatio…
Simple generalizations of Anti-de Sitter space-time
Joao Magueijo, Ali Mozaffari
We consider new cosmological solutions which generalize the cosmological patch of the Anti-de Sitter (AdS) space-time, allowing for fluids with equations of state such that $w\neq…
Non-adiabatic primordial fluctuations
J. Noller, J. Magueijo
We consider general mixtures of isocurvature and adiabatic cosmological perturbations. With a minimal assumption set consisting of the linearized Einstein equations and a primordia…
Rotation of galaxies as a signature of cosmic strings in weak lensing surveys
Daniel B. Thomas, Carlo R. Contaldi, Joao Magueijo
Vector perturbations sourced by topological defects can generate rotations in the lensing of background galaxies. This is a potential smoking gun for the existence of defects since…
Primordial fluctuations without scalar fields
J. Magueijo, J. Noller
We revisit the question of whether fluctuations in hydrodynamical, adiabatical matter could explain the observed structures in our Universe. We consider matter with variable equati…