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Magnetic properties of a dc metamaterial consisting of parallel square superconducting thin plates

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4 Author(s)
Navau, Carles ; Departament de Física, Grup d’Electromagnetisme, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, 08193 Catalonia, Spain ; Chen, Du-Xing ; Sanchez, Alvaro ; Del-Valle, Nuria

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Cloaking a static magnetic field is becoming a real possibility after the recently proposed concept of dc metamaterials. Here, we present, by a model based on superconductivity first principles, accurate and systematic calculations for the susceptibility of a dc metamaterial consisting of parallel square superconducting thin plates. Since both magnetic and kinetic energies are considered, our model takes into account the effect of a penetration depth in the superconductors and therefore can be applied for high-temperature superconductors. Thus, from the calculated results, a device that can cloak a static magnetic field may be constructed based on high-temperature superconducting thin films.

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Applied Physics Letters  (Volume:94 ,  Issue: 24 )