Determination of QCD phase diagram from the imaginary chemical potential region
Journal Article
·
· Physical Review. D, Particles Fields
- Department of Physics, Graduate School of Sciences, Kyushu University, Fukuoka 812-8581 (Japan)
- Department of Physics, Saga University, Saga 840-8502 (Japan)
- Department of Physics, Fukuoka University of Education, Munakata, Fukuoka 811-4192 (Japan)
We test the reliability of the Polyakov-loop extended Nambu-Jona-Lasinio (PNJL) model, comparing the model result with the lattice data at nonzero imaginary chemical potential. The PNJL model with the vector-type four-quark and scalar-type eight-quark interactions reproduces the lattice data on the pseudocritical temperatures of the deconfinement and chiral phase transitions. The QCD phase diagram in the real chemical potential region is predicted by the PNJL model. The critical end point survives, even if the vector-type four-quark interaction is taken into account.
- OSTI ID:
- 21308468
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 9 Vol. 79; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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