Lyotropic mixture made of potassium laurate/1-undecanol/K2SO4/water presenting high birefringences and large biaxial nematic phase domain: a laser conoscopy …

E Akpinar, D Reis, AM Figueiredo Neto - The European Physical Journal E, 2012 - Springer
The lyotropic liquid crystalline quaternary mixture made of potassium laurate (KL),
potassium sulphate, 1-undecanol and water was investigated by experimental optical …

Maier-Saupe model for a mixture of uniaxial and biaxial molecules

ES Nascimento, EF Henriques, AP Vieira, SR Salinas - Physical Review E, 2015 - APS
We introduce shape variations in a liquid-crystalline system by considering an elementary
Maier-Saupe lattice model for a mixture of uniaxial and biaxial molecules. Shape variables …

Biaxial nematic order in fundamental measure theory

A El Moumane, M Te Vrugt, H Löwen… - The Journal of Chemical …, 2024 - pubs.aip.org
Liquid crystals consisting of biaxial particles can exhibit a much richer phase behavior than
their uniaxial counterparts. Usually, one has to rely on simulation results to understand the …

Lattice model for biaxial and uniaxial nematic liquid crystals

RA Sauerwein, MJ de Oliveira - The Journal of chemical physics, 2016 - pubs.aip.org
We use a lattice gas model to describe the phase transitions in nematic liquid crystals. The
phase diagram displays, in addition to the isotropic phase, the two uniaxial nematics, the rod …

Mean-field model for a mixture of biaxial nematogens and dipolar nanoparticles

WGC Oropesa, ES Nascimento, AP Vieira - Physical Review E, 2024 - APS
We analyze a mean-field model for mixtures involving biaxial nematogens and dipolar
nanoparticles, taking into account not only orientational and isotropic pair interactions …

Thermodynamic asymmetries in dual-temperature Brownian dynamics

N Tyagi, BJ Cherayil - Journal of Statistical Mechanics: Theory …, 2020 - iopscience.iop.org
Recent work by Cerasoli et al (2018 Phys. Rev. E 98 042149) on a two-dimensional model
of biased Brownian gyrators driven in part by temperature differences along distinct …

Biaxial phase and coexistence of the two uniaxial nematic phases in the system sodium dodecyl sulphate–decanol–D2O

LQ Amaral, OR Santos, WS Braga, NM Kimura… - Liquid …, 2015 - Taylor & Francis
The system sodium dodecyl sulphate (SDS)/decanol (DeOH)/water presents, with
temperature increase, an unusual phase transition between a stable biaxial phase and a …

Phase behavior of a lattice-gas model for biaxial nematics

WGC Oropesa, ES Nascimento, AP Vieira - Physical Review E, 2022 - APS
We employ a lattice-gas extension of the Maier-Saupe model with discrete orientation states
to study the phase behavior of a statistical model for biaxial nematogenic units in mean-field …

Lattice statistical models for the nematic transitions in liquid-crystalline systems

ES Nascimento, AP Vieira, SR Salinas - Brazilian Journal of Physics, 2016 - Springer
We investigate the connections between some simple Maier-Saupe lattice models, with a
discrete choice of orientations of the microscopic directors, and a recent proposal of a two …

Low–temperature biaxial nematic from rod and disc mesogen mixture

R Berardi, C Zannoni - Soft Matter, 2012 - pubs.rsc.org
Molecular dynamics computer simulations have been employed to demonstrate that the
addition of a suitable uniaxial discotic nematic to a biaxial nematic (Nb) of elongated …