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Metastability in Emergent Dark Energy: A New Framework Confronting Cosmological Observations

  • Authors: Xiaolei Li, Tonghua Liu, Tian-Nuo Li, Guo-Hong Du, Arman Shafieloo, Marek Biesiada

Xiaolei Li et al 2026 The Astrophysical Journal Letters 1001 .

  • Provider: AAS Journals

Caption: Figure 1.

Constraints on the cosmological parameters of the MEDE model. The panels show the one-dimensional posterior distributions and two-dimensional joint confidence regions (68% and 95%) for the core cosmological and MEDE model parameters, derived from the combination of CMB, DESI BAO, DES-Dovekie, and PantheonPlus supernova data.

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