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A warm dark matter cosmogony may yield more low-mass galaxy detections in 21-cm surveys than a cold dark matter one
Kyle A. Oman, Carlos S. Frenk, Robert A. Crain +2
The 21-cm spectral line widths, , of galaxies are an approximate tracer of their dynamical masses, such that the dark matter halo mass function is imprinted in the number d…
The BAHAMAS project: Effects of a running scalar spectral index on large-scale structure
Sam G. Stafford, Ian G. McCarthy, Robert A. Crain +5
Recent analyses of the cosmic microwave background (CMB) and the Lyman-alpha forest indicate a mild preference for a deviation from a power law primordial matter power spectrum (a…
The lensing properties of subhaloes in massive elliptical galaxies in sterile neutrino cosmologies
Giulia Despali, Mark Lovell, Simona Vegetti +2
We use high-resolution hydrodynamical simulations run with the EAGLE model of galaxy formation to study the differences between the properties of - and subsequently the lensing sig…
The signal of decaying dark matter with hydrodynamical simulations
Mark R. Lovell, David Barnes, Yannick Bahé +11
Dark matter particles may decay, emitting photons. Drawing on the EAGLE family of hydrodynamic simulations of galaxy formation -- including the APOSTLE and C-EAGLE simulations -- w…
SEAGLE - I: A pipeline for simulating and modeling strong lenses from cosmological hydrodynamic simulations
Sampath Mukherjee, Léon. V. E. Koopmans, Robert Benton Metcalf +8
In this paper we introduce the SEAGLE (i.e. Simulating EAGLE LEnses) program, that approaches the study of galaxy formation through strong gravitational lensing, using a suite of h…
Galaxy Formation Efficiency and the Multiverse Explanation of the Cosmological Constant with EAGLE Simulations
Luke A. Barnes, Pascal J. Elahi, Jaime Salcido +6
Models of the very early universe, including inflationary models, are argued to produce varying universe domains with different values of fundamental constants and cosmic parameter…