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1. The effect of Dirac phase on acoustic vortex in media with screw dislocation.

Author

Torabi, Reza and Rezaei, Zahra

Subjects
*DIRAC function, *SCREW dislocations, *LASER beams, *ANGULAR momentum (Mechanics), *STRENGTH of materials, *FLUCTUATIONS (Physics)
Abstract

Abstract: We study acoustic vortex in media with screw dislocation using the Katanaev–Volovich theory of defects. It is shown that the screw dislocation affects the beamʼs orbital angular momentum and changes the acoustic vortex strength. This change is a manifestation of topological Dirac phase and is robust against fluctuations in the system. [Copyright &y& Elsevier]

Published
2013
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