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- W1729755619 abstract "In this work we study the Polyakov-Quark-Meson model for N_f=2 and N_c=3 in a finite volume with the Functional Renormalization Group in a local potential approximation. We choose for the spatial momentum modes periodic and antiperiodic boundary conditions. Because of the lack of a zero mode in the case of antiperiodic boundary conditions we realize a clearly different behavior of the results. We solve the gap-equations for the Polyakov-loop-variable Phi and its conjugate Phi^* for different box sizes L as a function of the temperature $T$ and the chemical potential mu. With these we calculate the pion decay constant and obtain the phase diagram and the pressure. We also study whether the results converge with increasing truncation order N and whether the finite volume results converge with increasing volume size to those of the infinite volume case. For the case of an infinite volume we further solve the gap-equations on all scales. Therefore, we include for the solution of the flow equation an indirect scale dependence of the Polyakov-loop-variable. With this we extend recent approaches which solve the gap-equations only at the infrared cutoff. We calculate with this several thermodynamic variables like the pressure and the trace anomaly. Additionally, we include a non-zero magnetic field and study the possibility of an inverse magnetic catalysis under variation of T_0 with the magnetic field." @default.
- W1729755619 created "2016-06-24" @default.
- W1729755619 creator A5065666710 @default.
- W1729755619 date "2014-01-01" @default.
- W1729755619 modified "2023-09-27" @default.
- W1729755619 title "Strongly interacting matter in a finite volume" @default.
- W1729755619 hasPublicationYear "2014" @default.
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