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Uniform curves for van der Waals interaction between single-wall carbon nanotubes
Evgeny G. Pogorelov, Alexander I. Zhbanov, Yia-Chung Chang
We report very simple and accurate algebraic expressions for the van der Waals (vdW) potentials and the forces between two parallel and crossed carbon nanotubes. The Lennard-Jones…
Van der Waals interaction between two crossed carbon nanotubes
Alexander I. Zhbanov, Evgeny G. Pogorelov, Yia-Chung Chang
The analytical expressions for the van der Waals potential energy and force between two crossed carbon nanotubes are presented. The Lennard-Jones potential for two carbon atoms and…
Field enhancement factor and field emission from a hemi-ellipsoidal metallic needle
Evgeny G. Pogorelov, Alexander I. Zhbanov, Yia-Chung Chang
We present an exact solution for the electrostatic field between a metallic hemi-ellipsoidal needle on a plate (as a cathode) and a flat anode. The basic idea is to replace the cat…