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Anirban Chatterjee

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Preprint Oct 2026

Dynamical stability and observational constraints on a late-time dark-matter particle-creation model

We investigate the cosmological dynamics of gravitational particle creation in a spatially flat FLRW Universe comprising radiation, baryons, dark matter (DM), and a separately conserved dark-energy component. The DM sector is described as an effective open thermodynamic fluid incorporating intrinsic pressure and partic...

Anirban Chatterjee · 0 citations

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