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Photogalvanic and photon drag phenomena in superconductors and hybrid superconducting systems

S. V. Mironov, A. I. Buzdin, O. B. Zuev, M. V. Kovalenko, A. S. Mel'nikov

Abstract

In this paper we review the recent progress in theoretical understanding of the peculiarities of photogalvanic phenomena, photon drag and inverse Faraday effects in superconductors and hybrid superconducting structures. Our study is based on the time-dependent Ginzburg-Landau (TDGL) theory with a complex relaxation constant which provides the simplest description of the mechanisms of the second-order nonlinear effects in the electrodynamic response and related mechanisms of generation of dc photocurrents, magnetic moment and switching between different current states under the influence of electromagnetic radiation of various polarization.

Photogalvanic and photon drag phenomena in superconductors and hybrid superconducting systems

Abstract

In this paper we review the recent progress in theoretical understanding of the peculiarities of photogalvanic phenomena, photon drag and inverse Faraday effects in superconductors and hybrid superconducting structures. Our study is based on the time-dependent Ginzburg-Landau (TDGL) theory with a complex relaxation constant which provides the simplest description of the mechanisms of the second-order nonlinear effects in the electrodynamic response and related mechanisms of generation of dc photocurrents, magnetic moment and switching between different current states under the influence of electromagnetic radiation of various polarization.
Paper Structure (10 sections, 32 equations, 3 figures)

This paper contains 10 sections, 32 equations, 3 figures.

Table of Contents

  1. Introduction
  2. Photogalvanic phenomena in superconducting hybrids with the diode effect
  3. Charge imbalance potential as the source of photogalvanic and drag phenomena
  4. Conclusion
  5. Acknowledgements
  6. Information regarding all authors
  7. Corresponding author

Figures (3)

  • Figure 1: Illustration of the inverse Faraday effect in thin superconducting disk irradiated by the circularly polarized wave. The photoinduced circulating dc current $\mathbf{j}_{ph, \varphi}^{(0)}$ creates the magnetic moment of the disk.
  • Figure 2: Dependence of azimuthal dc photocurrent on the distance from the disk center for $R=0.1\xi$ (top) and $R=3\xi$ (bottom), $l_E/\xi = 1/\sqrt{5.79}$ and different values of the normalized frequency $\omega \tau$.
  • Figure 3: Magnetic field profiles $B_z(x,y)$. Here we put $\lambda/\xi = 2$, $l_E/\xi = 1/\sqrt{5.79}$, $\omega\tau=1$, $B'=4\pi\nu B_0^2/\sqrt{2} H_\text{cm}$. The values $a=1/\sqrt{2}, b=i/\sqrt{2}, l=2$ are used.