期刊
ADVANCES IN COLLOID AND INTERFACE SCIENCE
卷 104, 期 -, 页码 311-324出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0001-8686(03)00053-8
关键词
van der Waals interaction; pair potential; additive approach; retardation effect
Formulae for the van der Waals attraction energy and force between a spherical particle and an infinite cylinder are derived by the method of additive summation of the pair interactions described by the potential of the general form U-m = -alpha(m)rho(-m). The formula of Rosenfeld and Wasan for the non-retarded vdW force between a sphere and a cylinder (m = 6) is confirmed and the compact expression for the retarded force (m = 7) is obtained. The comparison is given for the forces of the retarded vdW interaction between a sphere and a cylinder, another sphere, a row of spheres and a half-space. Also, the compact formulae for the energy of the vdW interaction of a point-like particle (atom, molecule) with a sphere and a cylinder are derived for the case of arbitrary m. (C) 2003 Elsevier Science B.V. All rights reserved.
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