The QCD Phase Diagram - Theory Center

The QCD Phase Diagram from Theory -
Models (II) - NJL and QM Models
NJL model
(Nambu and Jona-Lasinio, 1961):
LNJL = ¯q(iγ µ ∂µ−mq)q+G ( ¯qq) 2 + ( ¯qiγ5τq) 2
quark-meson model:
LQM = ¯q(iγ µ ∂µ − h(σ + iγ5τπ))q
+ 1
2 (∂µσ) 2 + 1
2 (∂µπ) 2 − U(σ, π)
1.November 2012 | TU Darmstadt - SE Rel. Schwerionenphysik | Ralf-Arno Tripolt | 29
M [MeV]
300
400
300
200
100
0
0
T [MeV] 100
200
200
T MeV
200
150
100
50
µ [MeV]
0
400
[courtesy S. Möller]
100 200 300
[RAT]
0
Μ MeV