Compact interaction potential for van der Waals nanorods
Jack A. Logan (1, 2), Alexei V. Tkachenko (2) ((1) Department of, Physics, Astronomy, Stony Brook University, Stony Brook, NY, USA, (2), Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton,, NY, USA)
TL;DR
This paper develops an analytic formula for van der Waals interactions between finite cylindrical nanorods at arbitrary angles, aiding the modeling of nanostructures like nanotubes and colloids.
Contribution
It introduces a novel interpolative formula for the interaction potential energy of nanorods, covering various asymptotic cases for broad applicability.
Findings
Provides an analytic expression for van der Waals interactions
Applicable to multi-wall carbon nanotubes and nanorods
Facilitates numerical and analytical modeling of nanostructures
Abstract
We studied the van der Waals interactions of two finite, solid, cylindrical rods at arbitrary angle and position with respect to each other. An analytic interpolative formula for the interaction potential energy is constructed, based on various asymptotic cases. The potential can be readily used for numerical and analytic description of multi-wall carbon nanotubes, metallic nanorods, rod-shaped colloids, or any other similar objects with significant van der Waals interactions.
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