Interface conditions for a metamaterial with strong spatial dispersion

@article{Khrabustovskyi2017InterfaceCF,
  title={Interface conditions for a metamaterial with strong spatial dispersion},
  author={Andrii Khrabustovskyi and Karim Mnasri and Michael Plum and Christian Stohrer and Carsten Rockstuhl},
  journal={arXiv: Classical Physics},
  year={2017}
}
Local constitutive relations, i.e. a weak spatial dispersion, are usually considered in the effective description of metamaterials. However, they are often insufficient and effects due to a nonlocality, i.e. a strong spatial dispersion, are encountered. Recently (K. Mnasri et al., arXiv:1705.10969), a generic form for a nonlocal constitutive relation has been introduced that could accurately describe the bulk properties of a metamaterial in terms of a dispersion relation. However, the… 
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