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astro-ph.CO2026
Heavy-particle production during inflation and its gravitational-wave signal
Qi Chen, Yuan Yin
We study a mechanism for producing heavy particles during inflation through a transient quadratic -breaking interaction of a complex scalar coupled derivatively to the inflat…
astro-ph.CO2024
A model for inflaton induced baryogenesis and its phenomenological consequences
Haipeng An, Qi Chen, Yuan Yin
In this study, we introduce a novel approach aimed at addressing the longstanding baryon-anti-baryon asymmetry conundrum. Our proposed mechanism suggests that baryon numbers were g…