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Krishnendu Roy

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#diffusion models Open access Oct 2026

Boltzmann Dynamics in K-essence Cosmology: Photon Propagation in an Emergent Spacetime

Abstract Recent cosmological tensions, notably the Hubble and $S_{8}$ tensions, motivate extensions of the conventional FLRW framework in which additional dynamical fields can alter the effective spacetime experienced by matter and radiation. In K-essence cosmology, the scalar field induces an emergent FLRW geometry di...

Krishnendu Roy, Debashis Gangopadhyay, Chiranjeeb Singha et al. · 0 citations

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