最終更新日：2025/11/29
The Peccei-Quinn theory proposes promoting the CP-violating θ parameter in QCD to a dynamical field to solve the strong CP problem and predicts the existence of axions.
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The Peccei-Quinn theory proposes promoting the CP-violating θ parameter in QCD to a dynamical field to solve the strong CP problem and predicts the existence of axions.
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