Pion Velocity near the Chiral Phase Transition | Zendy

Chihiro Sasaki | Zendy

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Pion Velocity near the Chiral Phase Transition

Author(s) -

Chihiro Sasaki

Publication year - 2004

Publication title -

progress of theoretical physics supplement

Language(s) - English

Resource type - Journals

ISSN - 0375-9687

DOI - 10.1143/ptps.156.174

Subject(s) - pion , physics , quantum chromodynamics , particle physics , chiral symmetry breaking , operator product expansion , effective field theory , hadron , lorentz transformation , chiral anomaly , phase transition , symmetry (geometry) , quantum electrodynamics , quantum mechanics , geometry , mathematics

We focus on the pion velocity at the critical temperature and study thequantum and hadronic thermal effects based on the vector manifestation (VM). Weshow the non-renormalization property on the pion velocity $v_\pi$, which isprotected by the VM, and estimate the value of $v_\pi$ to be close to the speedof light.Comment: 2 pages, talk given at the YITP workshop on ``Nuclear Matter under Extreme Conditions'' (Matter03), Dec. 1-3, 2003, Kyoto, Japa

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