Inflationary QCD Phase Diagram Explored
Published:Dec 30, 2025 06:54
•1 min read
•ArXiv
Analysis
This paper investigates the behavior of Quantum Chromodynamics (QCD) under inflationary conditions, a topic relevant to understanding the early universe and potentially probing high-energy physics. It uses a theoretical model (Nambu--Jona-Lasinio) to predict a first-order chiral phase transition, which could have observable consequences. The connection to the cosmological collider program is significant, as it suggests a way to test high-energy physics through observations of the early universe.
Key Takeaways
Reference
“A first-order chiral phase transition may occur during inflation or at its end when the axial chemical potential is sufficiently large and crosses the critical line.”