Field response and switching times in biaxial nematics.

  title={Field response and switching times in biaxial nematics.},
  author={Roberto Berardi and Luca Muccioli and Claudio Zannoni},
  journal={The Journal of chemical physics},
  volume={128 2},
We study by means of virtual molecular dynamics computer experiments the response of a bulk biaxial nematic to an applied external field and, in particular, the relative speed of reorientation of the principal director axis and of the secondary one, typical of these new materials, upon a pi2 field switch. We perform the simulations setting up and integrating the equations of motion for biaxial Gay-Berne particles using quaternions and a suitable time reversible symplectic integrator. We find… CONTINUE READING

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