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cond-mat.mtrl-sci2026
Exploring stable long-lifetime plasmon excitations in the Lieb lattice
Andrii Iurov, Liubov Zhemchuzhna, Godfrey Gumbs +1
The subject of the present paper is a thorough numerical investigation of plasmon expectations, their dispersions and damping within a Lieb lattice. The Lieb lattice is known for i…
cond-mat.mtrl-sci2012★ 6 cited
Plasmons in single- and double-component helical liquids: Application to two-dimensional topological insulators
O. Roslyak, Godfrey Gumbs, D. H. Huang
The plasmon excitations in proposed single- and double-component helical liquid (HL) models are investigated within the random-phase approximation, by calculating the density-densi…