Europhysics Letters PREPRINT
Elasticity of an interfacial particle raft
, P. Aussillous2
and L. Mahadevan1
Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA
Department of Applied Mathematics and Theoretical Physics, University of Cam-
bridge, Wilberforce Road, Cambridge, CB3 0WA, UK
PACS. 62.20.Dc Elasticity, elastic constants.
PACS. 68.03.-g Gas-liquid and vacuum-liquid interfaces.
PACS. 46.32.+x Static buckling and instability.
Abstract. We study the collective behaviour of a close packed monolayer of non-Brownian
particles at a fluid-liquid interface. Such a particle raft forms a two-dimensional elastic solid
and can support anisotropic stresses and strains, e.g. it buckles in uniaxial compression and