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Cosmological Model Links Dark Matter Creation to Pre-Big Bang Inflation The Mystery of Dark Matter and Its Origins Physicists, grap pling with the mystery of dark matter — constituting 80% of the universe's matter yet remaining undetected-propose a model suggesting its origin  predates the Big Bang. The Role of Inflation in Dark Matter Formation Emergence During Inflationary Phase The researchers  pro pose that dark matter emerged during a brief inflationary  phase when the universe underwent ra pid ex ponential ex pansion. Their findings were  published in Physical Review Letters  by a team of three scientists from Texas, USA. Understanding the Dark Matter Production Mechanism The Freeze-Out and Freeze-In Processes Cosmologists pro pose that dark matter's origin lies in its interaction with a  particle-filled thermal bath, with its abundance arising from "freeze-out" or "freeze-in"  processes. Freeze-Out Model Ex plained : In the freeze-out model, da...