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Dielectric response of cylindrical nanostructures in a magnetic field

Peter Fulde·Alexander Ovchinnikov
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Abstract

We study the magnetic field dependence of the dielectric response of large cylindrical molecules such as nanotubes. When a field-induced level crossing takes place, an applied electric field causes a linear instead of the usual quadratic Stark effect. This results in a large dielectric response. Explicit calculations are performed for doped nanotubes and a rich structure in the real part of the low-frequency dielectric function $ε'(H)$ is found when a magnetic field is applied along the cylinder axis. It is suggested that studies of $ε'(H, T)$ can serve as a spectroscopic tool for the investigation of large ring-shaped or cylindrical molecules.

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Peter Fulde, Alexander Ovchinnikov. 2000-02-03. Dielectric response of cylindrical nanostructures in a magnetic field. https://doi.org/10.1007/pl00011070

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