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hep-th2025
Phantom matters
David Andriot
Cosmological observations of the recent universe suggest that dark energy equation of state parameter is growing with time, departing from a cosmological constant for which $w=…
hep-th2025
Single versus multifield scalar potentials from string theory
David Andriot, Muthusamy Rajaguru, George Tringas
In this work, we investigate the properties of string effective theories with scalar field(s) and a scalar potential. We first claim that in most examples known, such theories are…