Multicriticality in hexatic liquid crystals

Ammon Aharony, R. J. Birgeneau, J. D. Brock, J. D. Litster

Research output: Contribution to journalArticlepeer-review

Abstract

A theory is presented for the successive sixfold Fourier components, C6n, in the bondorientational order in the neighborhood of a smectic-A-hexatic-B phase transition. Near the transition we predict that C6nC6n with n=n+xnn(n-1) where xn depends weakly on n. General arguments are presented for the topology of the phase diagram in the vicinity of the smectic "liquid-hexatic- crystal" triple point which lead to the existence of a tricritical point on the smectic-A-hexatic-B line.

Original languageEnglish
Pages (from-to)1012-1015
Number of pages4
JournalPhysical Review Letters
Volume57
Issue number8
DOIs
StatePublished - 1986

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