Preprint
Sep 2026
Exploring $U_A(1)$ symmetry restoration in a magnetic field by meson screening masses in the NJL model
We investigate the effective axial $U_A(1)$ symmetry restoration at finite temperature in an external magnetic field using meson screening masses, as well as meson susceptibilities, in a $(2+1)$-flavor Nambu-Jona-Lasinio (NJL) model. To incorporate inverse magnetic catalysis, we employ a magnetic-field-dependent four-q...
Bin Sheng, Zi-Geng Ding, Dan-Ning Li et al.
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