In this paper, we report on multiphysics full\r\nwave techniques in the frequency (energy)domain and\r\nthe timedomain, aimed at the investigation of the\r\ncombinedelectromagneticcoherenttransportproblemin\r\ncarbon based on nanostructured materials and devices,\r\ne.g.,graphenenanoribbons.\r\n\r\nThefrequencydomainapproachisintroducedinorderto\r\ndescribe a Poisson/Schr�¶dinger system in a quasi static\r\nframework.Anexampleoftheselfconsistentsolutionof\r\nlaterallycoupledgraphenenanoribbonsisshown.\r\n\r\nThetimedomainapproachdealswiththesolutionofthe\r\ncombinedMaxwell/Schr�¶dingersystemofequations.The\r\npropagationofachargewavepacketisreported,showing\r\nthe effectof the selfgenerated electromagnetic field that\r\naffectsthedynamicsofthechargewavepacket.
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