In a hardwall AdS/QCD model with phenomenological boundary conditions, both baryonic and quark condensates dominate the low-temperature phase diagram of dense nuclear matter.
The NJL model of dense three-flavor matter with axial anomaly: the low temperature critical point and BEC-BCS diquark crossover
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abstract
We study the QCD phase structure in the three-flavor Nambu-Jona-Lasinio model, incorporating the interplay between the chiral and diquark condensates induced by the axial anomaly. We demonstrate that for an appropriate range of parameters of the model, the interplay leads to the low temperature critical point in the phase structure predicted by a previous Ginzburg-Landau analysis. We also show that a Bose-Einstein condensate (BEC) of diquark molecules emerges in the intermediate density region, and as a result, a BEC-BCS crossover is realized with increasing quark chemical potential.
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Condensate phases of nuclear matter from AdS Hardwall models
In a hardwall AdS/QCD model with phenomenological boundary conditions, both baryonic and quark condensates dominate the low-temperature phase diagram of dense nuclear matter.