Vector Manifestation and Fate of Vector Mesons in Dense Matter

Details Vector Manifestation and Fate of Vector Mesons in Dense Matter Vector Manifestation and Fate of Vector Mesons in Dense Matter

2001-11-10

arxiv.org/abs/hep-ph/0111120v2

Phys.Rev.D66:016003,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 2 figures

Scientific paper

10.1103/PhysRevD.66.016003

We describe in-medium properties of hadrons in dense matter near chiral restoration using a Wilsonian matching to QCD of an effective field theory with hidden local symmetry at the chiral cutoff $\Lambda$. We find that chiral symmetry is restored in vector manifestation \`a la Harada and Yamawaki at a critical matter density $n_c$. We express the critical density in terms of QCD correlators in dense matter at the matching scale. In a manner completely analogous to what happens at the critical $N_f^c$ and at the critical temperature $T^c$, the vector meson mass is found to vanish (in the chiral limit) at chiral restoration. This result provides a support for Brown-Rho scaling predicted a decade ago.

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