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Seminar Link: Picoelectrodynamics Theory Network - YouTube Abstract The discovery of topological materials is one of the most transformative recent breakthroughs in condensed matter physics, revealing new conceptual surprises in established topics such as the phases of matter and the behavior of...

Seminar Link: Picoelectrodynamics Theory Network - YouTube Abstract Over the past three decades, graphene has become the prototypical platform for discovering topological phases of matter. Both the Chern C∈Z and quantum spin Hall υ∈Z2 insulators were first predicted in graphene, which led to a...

Seminar Link: Picoelectrodynamics Theory Network - YouTube Abstract We discuss how the many-body excitation spectrum of topological insulators is affected by the presence of long-range Coulomb interactions. In the one-dimensional Su-Schrieffer-Heeger model and its mirror-symmetric variant, strongly...

Seminar Link: Picoelectrodynamics Theory Network - YouTube Abstract For a wide range of technologically prescient applications---spanning from achieving low-power nonlinear response to mode-multiplexing in optical communication---device architectures discovered via computational methods increasingly...