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hep-ph2026
Gravitational Waves and Primordial Black Holes produced by Dark Meta Stable Vacuum Decay
Haipeng An, Tingyu Li, Chen Yang
Inspired by string theory and cosmological constant problem, it is plausible that the Universe's vacuum structure is characterized by a landscape of metastable vacua. The existence…
hep-ph2025★ 2 cited
Dark Walker in the Early Universe: A Strongly Coupled Sector Model
Chen Yang
We explore the phenomenology of the ``Dark Walker'' -- an theory with eight flavors of massless fundamental fermions in the dark sector. During inflation, its walkin…