Renormalization-Group Flow Analysis of Meson Condensations in Dense Matter

Details Renormalization-Group Flow Analysis of Meson Condensations in Dense Matter Renormalization-Group Flow Analysis of Meson Condensations in Dense Matter

1994-11-29

arxiv.org/abs/hep-ph/9411416v1

Phys.Lett. B348 (1995) 290-296

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 2 figures, (latex 36k+90k)

Scientific paper

10.1016/0370-2693(95)00171-G

We present a renormalization-group (RG) flow argument for s-wave kaon condensation in dense nuclear-star matter predicted in chiral perturbation theory. It is shown that it is the {\it relevant} mass term together with {\it any} attractive interaction for the kaon in medium that triggers the instability. We show that a saddle point of multi-dimensional RG flow can imply a phase transition. Pion condensation is also analyzed along the same line of reasoning.

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