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  5. Fresnel drag in space-time-modulated metamaterials
 
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Fresnel drag in space-time-modulated metamaterials
File(s)
1908.05883v1.pdf (1.17 MB)
Working paper
Author(s)
Huidobro, Paloma A
Galiffi, Emanuele
Guenneau, Sebastien
Craster, Richard V
Pendry, JB
Type
Working Paper
Abstract
A moving medium drags light along with it as measured by Fizeau and explained by Einstein's theory of special relativity. Here we show that the same effect can be obtained in a situation where there is no physical motion of the medium. Modulations of both the permittivity and permeability, phased in space and time in the form of travelling waves, are the basis of our model. Space-time metamaterials are represented by effective bianisotropic parameters, which can in turn be mapped to a moving homogeneous medium. Hence these metamaterials mimic a relativistic effect without the need for any actual material motion. We discuss how both the permittivity and permeability need to be modulated in order to achieve these effects, and we present an equivalent transmission line model.
Date Issued
2019-08-16
Citation
2019
URI
http://hdl.handle.net/10044/1/77851
URL
https://arxiv.org/abs/1908.05883v1
Publisher
arXiv
Copyright Statement
© 2019 The Author(s)
Identifier
https://arxiv.org/abs/1908.05883v1
Subjects
Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
metamaterials
space-time modulations
Fresnel drag
nonreciprocity
DISPERSION-RELATIONS
PERIODIC MEDIA
Publication Status
Published
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