12-18 August 2012
US/Eastern timezone

If you have any questions about the details of the program please contact Bolek Wyslouch

Theta vacuum and entanglement interaction in the three-flavor Polyakov-loop extended Nambu-Jona-Lasinio model

16 Aug 2012, 16:00
Regency 1/3 and Ambassador ()

Regency 1/3 and Ambassador

Poster Exploring the QCD phase diagram Poster Session Reception


Takahiro Sasaki (K)


We investigate theta-vacuum effects on the QCD phase diagram for the realistic 2+1 flavor system, using the three-flavor Polyakov-extended Nambu-Jona-Lasinio (PNJL) model and the entanglement PNJL model as an extension of the PNJL model. The theta-vacuum effects make the chiral transition sharper. For large theta-vacuum angle the chiral transition becomes first order even if the quark number chemical potential is zero, when the entanglement coupling between the chiral condensate and the Polyakov loop is taken into account.We finally propose a way of circumventing the sign problem on lattice QCD with finite theta.

Primary author


Dr Hiroaki Kouno (Saga University) Mr Junichi Takahashi (Kyushu University) Prof. Masanobu Yahiro (Kyushu University) Yuji Sakai (RIKEN)

Presentation Materials