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physics.gen-ph2026
Probing generalized equation of state for dark energy with latest cosmological probes
Dadian Cheng, Shuo Cao, Yalong Nan +4
Baryon acoustic oscillation (BAO) measurements from DESI DR2 have strengthened indications of a time-evolving dark energy. In this paper, we investigate observational constraints o…
physics.gen-ph2026
Revisiting self-interacting dark matter with DESI DR2 baryon acoustic oscillation observations
Yixuan Zhu, Shuo Cao, Xuanni chen +3
We revisit self-interacting dark matter (SIDM), originally proposed to resolve small-scale CDM problems and drive late-time cosmic acceleration. Using latest DESI BAO, Pantheon+/DE…
physics.gen-ph2026
Revisiting the Hubble Tension with DESI DR2 Baryon Acoustic Oscillation Observations and Machine Learning Methods
Chenfa Zheng, Shuo Cao, Wuzheng Guo +4
One of the key unresolved questions in modern cosmology is the Hubble tension, which arises from the inconsistency between determinations of the Hubble constant () based on ne…