Zeta-function regularization and mean-field analysis of the Walecka model shows that magnetic fields and smaller compactified dimensions favor the symmetric phase through inverse magnetic catalysis.
Phase structure of cold magnetized quark matter within the SU(3) NJL model
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abstract
The possible different phases of cold quark matter in the presence of a finite magnetic field and chemical potential are obtained within the SU(3) NJL model for two parameter sets often used in the literature. Although the general pattern is the same in both cases, the number of intermediate phases is parameter dependent. The chiral susceptibilities, as usually defined, are different not only for the s-quark as compared with the two light quarks, but also for the u and d-quarks, yielding non identical crossover lines for the light quark sector.
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2019 1verdicts
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Critical behaviour of an effective relativistic mean field model in the presence of magnetic background and boundaries
Zeta-function regularization and mean-field analysis of the Walecka model shows that magnetic fields and smaller compactified dimensions favor the symmetric phase through inverse magnetic catalysis.