Highly magnetized quark matter in the chiral limit
ASTRONOMISCHE NACHRICHTEN(2024)
摘要
We examine the behavior of highly magnetized two-light-flavor quark matter within the context of a nonlocal NJL-type model. This analysis assumes the chiral limit mc=0$$ \left({m}_c=0\right) $$ and incorporates the interaction between fermions and the Polyakov loop. Our calculations utilize a covariant Gaussian form factor. We present phase diagrams on the T-mu$$ T-\mu $$ plane, illustrating different magnetic field strengths. Additionally, we examine the critical endpoint's placement and the de Haas-Van Alphen transitions within the chiral restored phase, observing their temperature-dependent characteristics.
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关键词
nonperturbative QCD,Nambu-Jona-Lasinio models,quark matter
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