paper

Berry effect in acoustical polarization transport in phononic crystals

arXiv:0810.4992 · doi:10.1134/S0021364008210091

Abstract

We derive the semiclassical equations of motion of a transverse acoustical wave packet propagating in a phononic crystal subject to slowly varying perturbations. The formalism gives rise to Berry effect terms in the equations of motion, manifested as the Rytov polarization rotation law and the polarization-dependent Hall effect. We show that the formalism is also applicable to the case of non-periodic inhomogeneous media, yielding explicit expressions for the Berry effect terms.

To appear in JETP Lett

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