Excitation of surface plasma waves across the layers of intrinsic Josephson junctions

D. V. Kadygrob; V. A. Golick; V. A. Yampol’skii; T. M. Slipchenko; D. R. Gulevich; Sergey Savel’ev

doi:10.1103/PhysRevB.80.184512

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Excitation of surface plasma waves across the layers of intrinsic Josephson junctions

D. V. Kadygrob, V. A. Golick, V. A. Yampol’skii, T. M. Slipchenko, D. R. Gulevich, Sergey Savel’ev

DOI 10.1103/PhysRevB.80.184512 · Physical Review B

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Abstract

We analytically study the excitation of surface Josephson plasma waves (SJPWs) propagating across the junctions in layered superconductors in the presence of external dc magnetic field. Both the attenuated total reflection and the modulation of the superconducting parameters methods of the SJPWs excitation are considered. We show that the reflection of the incident electromagnetic wave can be substantially decreased due to the resonance excitation of SJPWs, for certain angles and frequencies of the incident wave when changing the magnetic field. Moreover, we find physical conditions guaranteeing the total suppression of the specular reflectivity. The analytical results are supported by the numerical simulations.