Figure 1.

Plasmon dispersions. Plasmon dispersions Ωq at different values of rs. Continuums of intraband (ω <vFq) and interband (ω > 2μ - vFq) single-particle excitations are shaded; pF = μ/vF is the Fermi momentum, μ is the chemical potential.

Efimkin et al. Nanoscale Research Letters 2012 7:163   doi:10.1186/1556-276X-7-163
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