2 papers
astro-ph.CO2026
The Dilaton: A Natural Resolution to the Hubble Tension via Spontaneous Scale Symmetry Breaking
Arpit Kottur, Jui Mahajan, Raka Dabhade
The statistical tension between early and late universe measurements of the Hubble constant () suggests that the dark sector is dynamical rather than static. We propose that t…
astro-ph.CO2025
A Dynamical Scalar Field Model for Dark Energy: Addressing the Hubble Tension and Cosmic Evolution
Arpit Kottur, Jui Mahajan, Raka Dabhade
We propose a dynamical dark energy model based on a canonical scalar field with a hybrid potential of the form . We constrain the model's 11-d…