scholarly journals Four-body chiral order parameters in the massless fermion phase

1996 ◽  
Vol 53 (8) ◽  
pp. 4650-4667 ◽  
Author(s):  
Pieter Maris ◽  
Qing Wang
Keyword(s):  
Order Parameters ◽  
Massless Fermion ◽  
Chiral Order

Chiral spin liquid in a two-dimensional helical XY magnet with two chiral order parameters

JETP Letters ◽  
2012 ◽  
Vol 96 (6) ◽  
pp. 410-415 ◽  
Author(s):  
A. O. Sorokin ◽  
A. V. Syromyatnikov
Keyword(s):  
Order Parameters ◽  
Spin Liquid ◽  
Two Dimensional ◽  
Chiral Order

Phase transitions with coupled order parameters

1981 ◽  
Vol 133 (1) ◽  
pp. 103 ◽  
Author(s):  
M.A. Anisimov ◽  
E.E. Gorodetskii ◽  
V.M. Zaprudskii
Keyword(s):  
Phase Transitions ◽  
Order Parameters

scholarly journals Liquid Crystal Ordering in the Hexagonal Phase of Rod-Coil Diblock Copolymers

Polymers ◽  
2020 ◽  
Vol 12 (6) ◽  
pp. 1262
Author(s):  
Mikhail A. Osipov ◽  
Maxim V. Gorkunov ◽  
Alexander A. Antonov
Keyword(s):  
Liquid Crystal ◽  
Order Parameter ◽  
Density Functional ◽  
Diblock Copolymers ◽  
Microphase Separation ◽  
Hexagonal Phase ◽  
Orientational Order ◽  
Order Parameters ◽  
Copolymer Composition ◽  
Rigid Rod

Density functional theory of rod-coil diblock copolymers, developed recently by the authors, has been generalised and used to study the liquid crystal ordering and microphase separation effects in the hexagonal, lamellar and nematic phases. The translational order parameters of rod and coil monomers and the orientational order parameters of rod-like fragments of the copolymer chains have been determined numerically by direct minimization of the free energy. The phase diagram has been derived containing the isotropic, the lamellar and the hexagonal phases which is consistent with typical experimental data. The order parameter profiles as functions of temperature and the copolymer composition have also been determined in different anisotropic phases. Finally, the spatial distributions of the density of rigid rod fragments and of the corresponding orientational order parameter in the hexagonal phase have been calculated.

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