  We investigate the effects of (axial)vector mesons on the chiral phase
transition in the framework of an SU(3), (axial)vector meson extended linear
sigma model with additional constituent quarks and Polyakov loops. We determine
the parameters of the Lagrangian at zero temperature in a hybrid approach,
where we treat the mesons at tree-level, while the constituent quarks at 1-loop
level. We assume two nonzero scalar condensates and together with the
Polyakov-loop variables we determine their temperature dependence according to
the 1-loop level field equations.
