Meson Mixing in Pion Superfluid
Xuewen Hao, Pengfei Zhuang
Abstract
We investigate meson mixing and meson coupling constants in pion superfluid in the framework of two flavor NJL model at finite isospin density. The mixing strength develops fast with increasing isospin chemical potential, and the coupling constants in normal phase and in the pion superfluid phase behave very differently.
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