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The influence of baryons on the chiral phase transition in QCD | | M.N.Chernodub
; B.L.Ioffe
; | | Date: |
22 Jun 2004 | | Subject: | hep-ph | | Abstract: | A qualitative analysis of the chiral phase transition in QCD with two massless quarks and non--zero baryon density is performed. It is assumed that at zero baryonic density, $
ho=0$, the temperature phase transition is of the second order. Due to a specific power dependence of baryon masses on the chiral condensate the phase transition becomes of the first order at the temperature $T=T_{mathrm{ph}}(
ho)$ for $
ho>0$. At temperatures $T_{mathrm{cont}}(
ho) > T > T_{mathrm{ph}}(
ho)$ there is a mixed phase consisting of the quark phase (stable) and the hadron phase (unstable). At the temperature $T = T_{mathrm{cont}}(
ho)$ the system experiences a continuous transition to the pure chirally symmetric phase. | | Source: | arXiv, hep-ph/0406238 | | Services: | Forum | Review | PDF | Favorites | |
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