Modified geometrical optics of a smoothly inhomogeneous isotropic medium: the anisotropy, Berry phase, and the optical Magnus effect.

  title={Modified geometrical optics of a smoothly inhomogeneous isotropic medium: the anisotropy, Berry phase, and the optical Magnus effect.},
  author={Konstantin Y. Bliokh and Yu. P. Bliokh},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  volume={70 2 Pt 2},
  • K. Bliokh, Y. Bliokh
  • Published 3 February 2004
  • Physics
  • Physical review. E, Statistical, nonlinear, and soft matter physics
We present a modification of the geometrical optics method, which allows one to properly separate the complex amplitude and the phase of the wave solution. Appling this modification to a smoothly inhomogeneous isotropic medium, we show that in the first geometrical optics approximation the medium is weakly anisotropic. The refractive index, being dependent on the direction of the wave vector, contains the correction, which is proportional to the Berry geometric phase. Two independent eigenmodes… 

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