Polyakov–Nambu–Jona-Lasinio model
E731749
The Polyakov–Nambu–Jona-Lasinio model is an effective quantum field theory that extends the Nambu–Jona-Lasinio model by coupling quarks to the Polyakov loop to study chiral symmetry breaking and confinement in QCD-like systems.
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
QCD effective model
ⓘ
effective quantum field theory ⓘ theoretical physics model ⓘ |
| aimsTo | unify chiral and deconfinement transitions ⓘ |
| appliesTo | QCD-like systems ⓘ |
| approximates | low-energy QCD ⓘ |
| assumes | static temporal gluon background field ⓘ |
| belongsTo | finite-temperature field theory ⓘ |
| category | non-renormalizable model ⓘ |
| contains |
effective Polyakov-loop potential
ⓘ
quark chemical potential ⓘ |
| couplesTo | Polyakov loop NERFINISHED ⓘ |
| describes |
chiral symmetry breaking
ⓘ
confinement ⓘ |
| effectiveDegreesOfFreedom | constituent quarks ⓘ |
| energyScale | low to intermediate QCD scales ⓘ |
| extends | Nambu–Jona-Lasinio model NERFINISHED ⓘ |
| fieldContent | quark fields ⓘ |
| framework | mean-field approximation ⓘ |
| includes |
effective gluonic background via Polyakov loop potential
ⓘ
four-fermion interactions ⓘ possible vector interactions ⓘ scalar-pseudoscalar quark interactions ⓘ |
| motivatedBy | lattice QCD results for Polyakov loop ⓘ |
| neglects | explicit gluon dynamics ⓘ |
| orderParameters |
Polyakov loop expectation value
ⓘ
chiral condensate ⓘ |
| predicts |
crossover deconfinement transition at finite temperature
ⓘ
crossover or first-order chiral transitions depending on parameters ⓘ |
| relatedTo |
Nambu–Jona-Lasinio model
NERFINISHED
ⓘ
Polyakov loop model NERFINISHED ⓘ |
| spaceTimeDimension | 3+1 dimensions ⓘ |
| studies |
QCD phase diagram
ⓘ
finite density QCD ⓘ finite temperature QCD ⓘ |
| symmetry |
approximate chiral symmetry
ⓘ
center symmetry via Polyakov loop ⓘ |
| usedFor |
investigating chiral phase transition
ⓘ
investigating deconfinement transition ⓘ |
| usedIn |
compact star matter studies
ⓘ
heavy-ion collision phenomenology ⓘ strong interaction phenomenology ⓘ |
| usedToExplore | critical end point in QCD phase diagram ⓘ |
| uses | grand canonical ensemble at finite temperature and chemical potential ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.