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An introduction to spatial dispersion: revisiting the basic concepts

Research output: Contribution to journalJournal article

Unpublished
<mark>Journal publication date</mark>25/03/2019
<mark>Journal</mark>arXiv
Publication StatusUnpublished
<mark>Original language</mark>English

Abstract

I describe three ways that the spatial properties of a wave propagation medium can cause dispersion, and propose that they should form the basics for correctly understanding and naming phenomena described as "spatial dispersion". In particular, I emphasise the specific spatial properties which generate the resulting dispersive -- i.e. spatially dispersive -- behaviour. The mechanisms are geometry, structure, and dynamics.