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Journal Article

Casimir torques between anisotropic boundaries in nematic liquid crystals


Golestanian,  R.       
Department of Living Matter Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Golestanian, R., Ajdari, A., & Fournier, J. B. (2001). Casimir torques between anisotropic boundaries in nematic liquid crystals. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 64(2): 022701. doi:10.1103/PhysRevE.64.022701.

Cite as: https://hdl.handle.net/21.11116/0000-0001-AC7F-0
The torque induced between bounding surfaces in nematic liquid crystals due to thermal fluctuations was reported. The existence of Casimir torque due to anisotropy in the shape of the objects immersed in the complex fluid depended on the relative orientation of these objects. The torques were calculated for a simple geometry in the absence of elastic effects. These calculations suggested a direct measure of the torque exerted between two plates at fixed separation and a measure of force as a function of separation for plates at various angles.