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Extensions and further applications of the nonlocal Polyakov–Nambu–Jona-Lasinio model

T. Hell1, K. Kashiwa1,2, and W. Weise1

  • 1Physik-Department, Technische Universität München, D-85747 Garching, Germany
  • 2Department of Physics, Kyushu University, Fukuoka 812-8581, Japan

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Phys. Rev. D 83, 114008 – Published 2 June, 2011

DOI: https://doi.org/10.1103/PhysRevD.83.114008

Abstract

The nonlocal Polyakov-loop-extended Nambu–Jona-Lasinio model is further improved by including momentum-dependent wave-function renormalization in the quark quasiparticle propagator. Both two- and three-flavor versions of this improved Polyakov-loop-extended Nambu–Jona-Lasinio model are discussed, the latter with inclusion of the (nonlocal) ’t Hooft-Kobayashi-Maskawa determinant interaction in order to account for the axial U(1) anomaly. Thermodynamics and phases are investigated and compared with recent lattice-QCD results.

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Phys. Rev. D 83, 114008– Published 2 June, 2011
  • Received 4 April 2011

© 2011 American Physical Society

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