Optically anisotropic infinite cylinder above an optically anisotropic half space: Dispersion interaction of a single-walled carbon nanotube with a substrate (CROSBI ID 163818)
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Podaci o odgovornosti
Šiber, Antonio ; Rajter, R. F. ; French, R. H. ; Ching, W. Y. ; Parsegian, V. A. ; Podgornik, Rudolf
engleski
Optically anisotropic infinite cylinder above an optically anisotropic half space: Dispersion interaction of a single-walled carbon nanotube with a substrate
A complete form of the van der Waals dispersion interaction between an infinitely long anisotropic semiconducting/insulating thin cylinder and an anisotropic half space is derived for all separations between the cylinder and the half space. The derivation proceeds from the theory of dispersion interactions between two anisotropic infinite half spaces as formulated in Phys. Rev. A 71, 042102 (2005). The approach is valid in the retarded as well as nonretarded regimes of the interaction and is coupled with the recently evaluated ab initio dielectric response functions of various semiconducting/insulating single wall carbon nanotubes, enables the authors to evaluate the strength of the van der Waals dispersion interaction for all orientation angles and separations between a thin cylindrical nanotube and the half space. The possibility of repulsive and/or nonmonotonic dispersion interactions is examined in detail.
van der Waals; carbon nanotubes; ab initio
Paper from the 12th International Conference on Noncontact Atomic Force Microscopy
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Podaci o izdanju
28 (3)
2010.
C4A17-C4A24
objavljeno
1071-1023
10.1116/1.3416904