Interacting dark energy constraints from Fermi GRBs and Pantheon+ SNe Ia with full GRB covariance

Jianfeng Meng, Xiaofeng Yang, Yunliang Ren +4

The standard $\Lambda$CDM model faces long-standing theoretical and observational problems, such as the Hubble tension, which motivate extensions beyond $\Lambda$CDM, including interacting dar…