2 papers
astro-ph.CO2026
Phenomenology of an Open Effective Field Theory of Dark Energy
Santiago Agüà Salcedo, Thomas Colas, Lennard Dufner +1
All observational evidence for dark matter and dark energy is so far exclusively gravitational. Hence, the dark sector may be equivalently described by a theory of the spacetime me…
hep-th2026
An Open System Approach to Gravity
Santiago Agüà Salcedo, Thomas Colas, Lennard Dufner +1
Several major open problems in cosmology, including the nature of inflation, dark matter, and dark energy, share a common structure: they involve spacetime-filling media with unkno…