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Spherical symmetry and nonmagnetic dielectrics in analogue models of gravity

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posted on 2023-01-12, 13:35 authored by Eduardo Bittencourt, Diego Renan Da Silva, Érico Goulart, Renato Klippert
Nonmagnetic and spherically symmetric dielectric material media are investigated in their generality as analogue models, in the domains of geometrical optics, for a few relevant static and spherically symmetric solutions of gravitation, including black holes and wormholes. Typic and desirable gravitational features are systematically linked to the nonlinear properties of the phenomenological dielectric permittivity of the medium. From this, the limitations of such analogies are explored in terms of their corresponding geometric flexibility, dielectric configurations and causal structure.

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