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Observing the temperature of the Big Bang through large scale structure
Pedro Ferreira, Joao Magueijo
It is widely accepted that the Universe underwent a period of thermal equilibrium at very early times. One expects a residue of this primordial state to be imprinted on the large s…
Comments on "Note on varying speed of light theories"
Joao Magueijo, John W. Moffat
In a recent note Ellis criticizes varying speed of light theories on the grounds of a number of foundational issues. His reflections provide us with an opportunity to clarify some…
Near-Milne realization of scale-invariant fluctuations
Joao Magueijo
A near-Milne Universe produces a very red spectrum of vacuum quantum fluctuations, but has the potential to produce near-scale invariant {\it thermal} fluctuations. This happens if…
Thermal fluctuations in loop cosmology
Joao Magueijo, Parampreet Singh
Quantum gravitational effects in loop quantum cosmology lead to a resolution of the initial singularity and have the potential to solve the horizon problem and generate a quasi sca…