Understanding the quark-gluon-plasma using AdS/CFT Amos Yarom, Munich together with: S. Gubser and S. Pufu TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: AAAAAAAAAAA
The quark gluon plasma at RHIC V S C H Y O N D
Friction coefficient for QCD plasma t p = - p + F 0.3 fm/c < < 8 fm/c
Friction coefficient in N=4 SYM (Gubser 2006, Holzhey, Karch, Kovtun, Kozcaz, Yaffe, 2006) z0 z AdS/CFT J. Maldacena
Friction coefficient in N=4 SYM (Gubser 2006, Holzhey, Karch, Kovtun, Kozcaz, Yaffe, 2006) F AdS/CFT J. Maldacena z0 z F= ( 1/2 T2 / 2m) p b = 0.5 fm/c c = 1.2 fm/c 0.3 fm/c < < 8 fm/c
Energy loss Sound modes? Diffusion? Radiation? AdS/CFT z0 z AdS/CFT J. Maldacena Sound modes? Diffusion? Radiation? z0 z
Energy loss z0 z AdS5 CFT G <Tij> Dh = J
Energy density for v=3/4 Over energy Under energy
Energy density for v=3/4
v=0.75 v=0.58 v=0.25
Summary N=4 SYM plasma exhibits a Mach cone and hydrodynamic behavior at large distances (2 fm). At short distances N=4 SYM plasma shows transient behavior at velocities of 5/13<v2<5/8. This suggests a different physical model at short distances.
Jet quenching parameter