English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Mass spectra and Mott transition of pions $(\pi^0,\ \pi^\pm)$ at finitetemperature and magnetic field are investigated in a two-flavor NJL model, andwe focus on the inverse magnetic catalysis (IMC) effect and current quark mass(CQM) effect. Due to the dimension reduction of the constituent quarks, thepion masses jump at their Mott transitions, which is independent of the IMCeffect and CQM effect. We consider the IMC effect by using a magnetic dependentcoupling constant, which is a monotonic decreasing function of magnetic field.With IMC effect, the Mott transition temperature of $\pi^0$ meson $T_m^0$ is amonotonic decreasing function of magnetic field. For charged pions $\pi^{\pm}$,the Mott transition temperature $T_m^+$ fast increases in weak magnetic fieldregion and then decreases with magnetic field, which are accompanied with someoscillations. Comparing with the case without IMC effect, $T_m^0$ and $T_m^+$are lower when including IMC effect. CQM effect are considered by varyingparameter $m_0$ in non-chiral limit. For $\pi^0$ meson, $T_m^0$ is not amonotonic function of magnetic field with low $m_0$, but it is a monotonicdecreasing function with larger $m_0$. In the weak magnetic field region,$T_m^0$ is higher for larger $m_0$, but in the strong magnetic field region, itis lower for larger $m_0$. For $\pi^+$ meson, $T^+_m$ is only quantitativelymodifies by current quark mass effect, and it becomes higher with larger $m_0$.

Inverse magnetic catalysis effect and current quark mass effect on mass spectra and Mott transitions of pions under external magnetic field