Electromagnetic wave band structure due to surface plasmon resonances in a complex plasma.
basic_science · Level V
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- Record sourced from PubMed, PMID 27575225.
- Also identified by DOI 10.1103/PhysRevE.94.013202.
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Abstract
The dielectric properties of complex plasma containing either metal or dielectric spherical inclusions (macroparticles, dust) are investigated. We focus on surface plasmon resonances on the macroparticle surfaces and their effect on electromagnetic wave propagation. It is demonstrated that the presence of surface plasmon oscillations can significantly modify plasma electromagnetic properties by resonances and cutoffs in the effective permittivity. This leads to related branches of electromagnetic waves and to the wave band gaps. The conditions necessary to observe the band-gap structure in laboratory dusty plasma and/or space (cosmic) dusty plasmas are discussed.