Phys. Rev. Lett. 76, 4773–4776 (1996)Extremely Low Frequency Plasmons in Metallic MesostructuresReceived 22 December 1995; published in the issue dated 17 June 1996 The plasmon is a well established collective excitation of metals in the visible and near UV, but at much lower frequencies dissipation destroys all trace of the plasmon and typical Drude behavior sets in. We propose a mechanism for depression of the plasma frequency into the far infrared or even GHz band: Periodic structures built of very thin wires dilute the average concentration of electrons and considerably enhance the effective electron mass through self-inductance. Computations replicate the key features and confirm our analytic theory. The new structure has novel properties not observed before in the GHz band, including some possible impact on superconducting properties. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.76.4773
DOI:
10.1103/PhysRevLett.76.4773
PACS:
61.85.+p, 41.20.Jb, 77.22.-d, 84.90.+a
See AlsoComment: S. A. Mikhailov, Comment on ``Extremely Low Frequency Plasmons in Metallic Mesostructures'', Phys. Rev. Lett. 78, 4135 (1997). Comment: Rodger M. Walser, Alaka P. Valanju, and Prashant M. Valanju, Comment on “Extremely Low Frequency Plasmons in Metallic Mesostructures”, Phys. Rev. Lett. 87, 119701 (2001). Reply: J. B. Pendry, A. J. Holden, W. J. Stewart, and I. Youngs, Pendry et al. Reply:, Phys. Rev. Lett. 78, 4136 (1997). |
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