26 citations · 34 across the 5 of their papers we have counts for
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gr-qc2025★ 8 cited
Null energy condition violation and beyond Horndeski physics in light of DESI DR2 data
Gen Ye, Yong Cai
Inflation and dark energy (DE), both featuring accelerated expansion, are crucial components of modern cosmology. As indicated by singularity theorems, null energy condition (NEC)…
gr-qc2023★ 26 cited
Null energy condition violation during inflation and pulsar timing array observations
Gen Ye, Mian Zhu, Yong Cai
Recently, evidence of stochastic gravitational wave background (SGWB) signals observed by pulsar timing array (PTA) collaborations, has prompted investigations into their origins.…