The Wigner solution and QCD phase transitions in a modified PNJL modelZhu-fang Cui, Chao Shi, Wei-min Sun, Yong-long Wang and Hong-shi ZongEur. Phys. J. C, 74 2 (2014) 2782DOI: https://doi.org/10.1140/epjc/s10052-014-2782-x