534 citations · 1.5k across the 33 of their papers we have counts for
4 papers · 1 filter
The cosmology of minimal varying Lambda theories
Stephon Alexander, Marina Cortês, Andrew R. Liddle +3
Inserting a varying Lambda in Einstein's field equations can be made consistent with the Bianchi identities by allowing for torsion, without the need to add scalar field degrees of…
A Zero-Parameter Extension of General Relativity with Varying Cosmological Constant
Stephon Alexander, Marina Cortês, Andrew R. Liddle +3
We provide a new extension of general relativity (GR) which has the remarkable property of being more constrained than GR plus a cosmological constant, having one less free paramet…
Realism and causality I: Pilot wave and retrocausal models as possible facilitators
Eliahu Cohen, Marina Cortês, Avshalom C. Elitzur +1
Of all basic principles of classical physics, realism should arguably be the last to be given up when seeking a better interpretation of quantum mechanics. We examine the de Brogli…
Realism and Causality II: Retrocausality in Energetic Causal Sets
Eliahu Cohen, Marina Cortês, Avshalom C. Elitzur +1
We describe a new form of retrocausality, which is found in the behaviour of a class of causal set theories, called energetic causal sets (ECS). These are discrete sets of events,…