Abstract
Ballistic transport calculations, which are treated exactly within the nearest-neighbor tight-binding theory, on graphene strips connected to a pair of contacts are presented. In strips with high width-to-length ratio, the calculations reveal the presence of groups of resonances from a large number of nonequivalent conductance channels. While the energies of the collective resonances are, to first order, uniformly spaced and only depend on the contact separation, their contrast also depends on the strip width and contact interfaces.
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