Influence of Pressure on Smectic A-Nematic Phase Transition
arXiv:cond-mat/9708044
Abstract
We propose a Landau-de Gennes phenomenological model to describe the pressure induced smectic A-nematic phase transition. The pressure induced smectic A phase transitions are discussed for varying coupling between orientational and translational order parameter. Increasing the pressure, the first order nematic-smectic A transition becomes second order at a tricritical point which agrees fairly with available experimental results.
arXiv comment10 pages, no figure, LaTeX format,e-mail:[email protected], Submitted to Phys. Rev. E