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Advances in Condensed Matter Physics
Volume 2014, Article ID 479635, 6 pages
http://dx.doi.org/10.1155/2014/479635
Research Article

Is There a Metamaterial Route to High Temperature Superconductivity?

1Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742, USA
2Department of Physics Astronomy and Geosciences, Towson University, 8000 York Road, Towson, MD 21252, USA

Received 14 October 2014; Accepted 19 November 2014; Published 4 December 2014

Academic Editor: Victor V. Moshchalkov

Copyright © 2014 Igor I. Smolyaninov and Vera N. Smolyaninova. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Superconducting properties of a material such as electron-electron interactions and the critical temperature of superconducting transition can be expressed via the effective dielectric response function () of the material. Such a description is valid on the spatial scales below the superconducting coherence length (the size of the Cooper pair), which equals ∼100 nm in a typical BCS superconductor. Searching for natural materials exhibiting larger electron-electron interactions constitutes a traditional approach to high temperature superconductivity research. Here we point out that recently developed field of electromagnetic metamaterials deals with somewhat related task of dielectric response engineering on sub-100 nm scale. We argue that the metamaterial approach to dielectric response engineering may considerably increase the critical temperature of a composite superconductor-dielectric metamaterial.