Limit Temperatures for Meson and Diquark Resonances in a Strongly Interacting Quark Matter
Lianyi He, Meng Jin, Pengfei Zhuang
Abstract
We investigate mesons and diquarks as resonant states above chiral critical temperature Tc in flavor SU(2) Nambu--Jona-Lasinio model. For each kind of resonance, we solve the pole equation for the resonant mass in the complex energy plane, and find an ultimate temperature where the pole starts to disappear. The phase diagram including these limit temperatures in T-μ plane is obtained. The maximum limit temperature at μ=0 is approximately two times Tc.
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