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CMB constraints on monodromy inflation at strong coupling
Edmund J. Copeland, Francesc Cunillera, Adam Moss +1
We carry out a thorough numerical examination of field theory monodromy inflation at strong coupling. We perform an MCMC analysis using a Gaussian likelihood, fitting multiparamete…
Dark energy loopholes some time after GW170817
Lorenzo Bordin, Edmund J. Copeland, Antonio Padilla
We revisit the constraints on scalar tensor theories of modified gravity following the purge of GW170817. We pay particular attention to dynamical loopholes where the anomalous spe…
The Dark Energy Cosmic Clock: A New Way to Parametrise the Equation of State
Ewan R. M. Tarrant, Edmund J. Copeland, Antonio Padilla +1
We propose a completely new parametrisation of the dark energy equation of state, which uses the dark energy density, as a cosmic clock. We expand the equation of state in a…
Cosmological effects of coupled dark matter
Sophie C. F. Morris, Anne M. Green, Antonio Padilla +1
Many models have been studied that contain more than one species of dark matter and some of these couple the Cold Dark Matter (CDM) to a light scalar field. In doing this we introd…
Modified Gravity and Cosmology
Timothy Clifton, Pedro G. Ferreira, Antonio Padilla +1
In this review we present a thoroughly comprehensive survey of recent work on modified theories of gravity and their cosmological consequences. Amongst other things, we cover Gener…
Levitating Dark Matter
Nemanja Kaloper, Antonio Padilla
A sizable fraction of the total energy density of the universe may be in heavy particles with a net dark charge comparable to its mass. When the charges have the same sign…