Field solutions for the Swihart wave and surface plasmon in superconducting/dielectric film multilayer structures in the mixed state

Microwave propagation characteristics for the superconductor/dielectric film multilayer structures were investigated. The electrodynamic field equations for a type-II superconductor in the mixed state were used to derive the field solutions for two model structures such as a superconducting planar waveguide and a superlattice. Various numerical analysis were made on the electromagnetic propagation characteristics for the limiting cases, the Swihart wave and the surface plasmon in a symmetric structure. The effects of vortices on the propagation characteristics in the superconductor/dielectric multilayer structures were also observed.