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| Paper IPM / P / 11839 |
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| Abstract: | |||||||||
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Van der Waals-Casimir dispersion interactions between two apposed graphene layers, a graphene
layer and a substrate, and in a multilamellar graphene system are analyzed within the framework
of the Lifshitz theory. This formulation hinges on a known form of the dielectric response function
of an undoped or doped graphene sheet, assumed to be of a random phase approximation form. In
the geometry of two apposed layers the separation dependence of the van der Waals interaction for
both types of graphene sheets is determined and compared with some well known limiting cases. In
a multilamellar array the many-body effects are quantified and shown to augment the magnitude of
the van der Waals interactions.
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