Multicriticality in hexatic liquid crystals

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

doi:10.1103/PhysRevLett.57.1012

Multicriticality in hexatic liquid crystals

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

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108 Scopus citations

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 language	English
Pages (from-to)	1012-1015
Number of pages	4
Journal	Physical Review Letters
Volume	57
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.57.1012
State	Published - 1 Jan 1986
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.57.1012

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title = "Multicriticality in hexatic liquid crystals",

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.",

author = "Ammon Aharony and Birgeneau, {R. J.} and Brock, {J. D.} and Litster, {J. D.}",

year = "1986",

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AU - Birgeneau, R. J.

AU - Brock, J. D.

AU - Litster, J. D.

PY - 1986/1/1

Y1 - 1986/1/1

N2 - 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.

AB - 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.

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Multicriticality in hexatic liquid crystals

Abstract

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