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Chiral phase transition in an extended NJL model with higher-order multi-quark interactions

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arxiv nucl-th/0608078 v1 pith:2WGIXCMY submitted 2006-08-31 nucl-th hep-ph

Chiral phase transition in an extended NJL model with higher-order multi-quark interactions

Kouji Kashiwa , Hiroaki Kouno , Tomohiko Sakaguchi , Masayuki Matsuzaki , Masanobu Yahiro This is my paper
classification nucl-th hep-ph
keywords chiralnonlineartermtransitionextendedinteractionsmodelphase
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The chiral phase transition is studied in an extended Nambu--Jona-Lasinio model with eight-quark interactions. Equations for scalar and vector quark densities, derived in the mean field approximation, are nonlinear and mutually coupled. The scalar-type nonlinear term hastens the restoration of chiral symmetry, while the scalar-vector mixing term makes the transition sharper. The scalar-type nonlinear term shifts the critical endpoint toward the values predicted by lattice QCD simulations and the QCD-like theory.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Effective QCD model with consistent quasi-gluon treatment : formulation and application

    hep-ph 2026-06 unverdicted novelty 5.0

    Reformulation of the PNJL model with gluon quasi-particles treated beyond saddle-point approximation to yield a consistent quasiparticle description of QCD thermodynamics.

  2. CP-violating multi-field phase transitions and gravitational waves in a hidden NJL sector

    hep-ph 2026-04 unverdicted novelty 5.0

    Multi-field CP-violating phase transitions in a hidden NJL sector produce undetectable stochastic gravitational waves but remain cosmologically viable due to prompt domain wall collapse.

  3. CP-violating multi-field phase transitions and gravitational waves in a hidden NJL sector

    hep-ph 2026-04 unverdicted novelty 5.0

    Multi-field tunneling analysis in a CP-violating NJL model yields a slow transition (β/H ~ 100) whose stochastic gravitational-wave signal is detectable by μAres and insensitive to the CP angle.