Isotropic-nematic interface of soft spherocylinders

Michael Allen, MS Al-Barwani

Research output: Contribution to journalArticle (Academic Journal)peer-review

34 Citations (Scopus)

Abstract

The isotropic-nematic interface of a simple model of liquid-crystal molecules has been investigated using computer simulation, and by numerical minimization of the Onsager free-energy functional. The molecules are represented by long spherocylindrical particles interacting via the Kihara potential. The agreement between simulation and theory is excellent, apart from the bulk coexistence densities which are over estimated by the theory. Planar alignment of the molecules at the interface is preferred in all cases. The number density profile is found to vary monotonically, both in simulation and in theory. Biaxiality of the molecular orientational distribution near the interface is demonstrated.

Original languageEnglish
Pages (from-to)6706-10
Number of pages5
JournalPhysical Review E: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume62
Issue number5 Pt B
Publication statusPublished - Nov 2000

Keywords

  • Journal Article

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