Geometrodynamics of polarized light: Berry phase and spin Hall effect in a gradient-index medium
We review the geometrical-optics evolution of an electromagnetic wave propagating along a curved ray trajectory in a gradient-index dielectric medium. A Coriolis-type term appears in Maxwell equations under transition to the rotating coordinate system accompanying the ray. This term describes the spin-orbit coupling of light which consists of (i)the Berry phase responsible for trajectory-dependent polarization variations and (ii)the spin Hall effect representing polarization-dependent...[Show more]
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