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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 2.

χ2 distributions from MCMC chains for ΛCDM (blue), CPL dynamical dark energy (green), and MEDE (red) models, constrained by CMB+DESI DR2+PantheonPlus data.

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