RT Journal Article
T1 Dynamics of hard colloidal cuboids in nematic liquid crystals
A1 Cuetos, Alejandro
A1 Patti, Alessandro
K1 Colloids
K1 Nematic liquid crystals
AB We perform dynamic Monte Carlo simulations to investigate the equilibrium dynamics of hard board-like colloidal particles in oblate and prolate nematic liquid crystals. In particular, we characterize the particles' diffusion along the nematic director and perpendicularly to it, and observe a structural relaxation decay that strongly depends on the particle anisotropy. To assess the Gaussianity of their dynamics and eventual occurrence of collective motion, we calculate two- and four-point correlation functions that incorporate the instantaneous values of the diffusion coefficients parallel and perpendicular to the nematic director. Our simulation results highlight the occurrence of Fickian and Gaussian dynamics at short and long times, locate the minimum diffusivity at the self-dual shape, the particle geometry that would preferentially stabilise biaxial nematics, and exclude the existence of dynamically correlated particles.
PB American Physical Society
SN 2470-0053
YR 2020
FD 2020
LK http://hdl.handle.net/10433/8408
UL http://hdl.handle.net/10433/8408
LA en
NO Phys. Rev. E 101, 052702 (2020)
NO Ministerio de Ciencia,Innovación y Universidades and FEDER for funding (ProjectNo. PGC2018-097151-B-I00)EPSRC under Grant Agreement No. EP/N02690X/1LeverhulmeTrustResearchProjectGrantNo. RPG-2018-415
NO Universidad Pablo de Olavide de Sevilla. Departamento de Sistemas Físicos, Químicos y Naturales
DS RIO
RD May 24, 2026