Nonlinear wood anomalies in the reflectivity of layered superconductors

Автор(и)

  • S.S. Apostolov A.Ya. Usikov Institute for Radiophysics and Electronics, National Academy of Sciences of Ukraine 12 Acad. Proskura Str., Kharkov 61085, Ukraine
  • Z.A. Maizelis A.Ya. Usikov Institute for Radiophysics and Electronics, National Academy of Sciences of Ukraine 12 Acad. Proskura Str., Kharkov 61085, Ukraine
  • M.A. Sorokina V.N. Karazin Kharkov National University, 4 Svoboda Sq., Kharkov 61077, Ukraine
  • V.A. Yampol’skii A.Ya. Usikov Institute for Radiophysics and Electronics, National Academy of Sciences of Ukraine 12 Acad. Proskura Str., Kharkov 61085, Ukraine

DOI:

https://doi.org/10.1063/1.3331418

Ключові слова:

layered superconductor, Josephson plasma frequency, gauge-invariant interlayer phase difference of the order parameter.

Анотація

We study theoretically the excitation of the nonlinear surface Josephson plasma waves in slabs of layered superconductors by the incident plane waves using the prism method in the Otto configuration. The bilateral, symmetrical with respect to magnetic field, excitation is considered. The excitation leads to the resonant suppression of the specular reflection, i.e., to the Wood anomalies. Due to the nonlinearity, the reflectivity resonantly depends not only on the wave frequency ω and the incident angle θ, but on the wave amplitude h as well. We show that the total suppression of the reflectivity can be attained by the appropriate choice of ω, θ, h, and other parameters of the problem. The results of the analytical calculations are supported by numerical simulations.

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Опубліковано

2010-01-28

Як цитувати

(1)
Apostolov, S.; Maizelis, Z.; Sorokina, M.; Yampol’skii, V. Nonlinear Wood Anomalies in the Reflectivity of Layered Superconductors. Fiz. Nizk. Temp. 2010, 36, 255-261.

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