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Open Quantum Systems Decoherence
Klein tunneling in carbon nanostructures: a free particle dynamics in disguise
arXiv
Authors: Vit Jakubsky, Luis-Miguel Nieto, Mikhail S. Plyushchay
Year
2010
Paper ID
11012
Status
Preprint
Abstract Read
~2 min
Abstract Words
74
Citations
N/A
Abstract
The absence of backscattering in metallic nanotubes as well as perfect Klein tunneling in potential barriers in graphene are the prominent electronic characteristics of carbon nanostructures. We show that the phenomena can be explained by a peculiar supersymmetry generated by a first order Hamiltonian and zero order supercharge operators. Like the supersymmetry associated with second order reflectionless finite-gap systems, it relates here the low-energy behavior of the charge carriers with the free particle dynamics.
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- The absence of backscattering in metallic nanotubes as well as perfect Klein tunneling in potential barriers in graphene are the prominent electronic characteristics of carbon...
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