QCD phase diagram at imaginary baryon and isospin chemical potentials - High Energy Physics - PhenomenologyReport as inadecuate




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Abstract: We explore the phase diagram of two-flavor QCD at imaginary values of baryonand isospin chemical potentials analyzing the thermodynamic potential of QCDanalytically and that of the Polyakov-loop extended Nambu-Jona-Lasinio PNJLmodel numerically. QCD has no pion condensation at imaginary baryon and isospinchemical potentials, and therefore has discrete symmetries that are not presentat real baryon and isospin chemical potentials. The PNJL model possesses allthe discrete symmetries. The PNJL model can reproduce qualitatively lattice QCDdata presented very lately.



Author: Yuji Sakai, Hiroaki Kouno, Masanobu Yahiro

Source: https://arxiv.org/







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