Biaxiality dependence of helical pitch, spontaneous polarization and tilt angle in the chiral smectic-C phase of the smectic-A to chiral smectic-C phase transition

The biaxiality dependence of helical pitch, spontaneous polarization and tilt angle in the chiral smectic-C (SmC *) phase of the smectic-A to chiral smectic-C (SmA-SmC*) phase transition has been studied in the context of Landau–Ginzburg theory. The behavior of biaxiality as a function of temperature in the SmC* phase of the SmA-SmC* phase transition has been modeled. The dependence of biaxiality on the helical pitch, spontaneous polarization, and tilt angle in the SmC* phase has been discussed. The results indicate that the biaxial order and chirality are strongly interconnected with each other.