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Hyperbolic Weyl point in reciprocal chiral metamaterial

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arxiv 1604.00574 v1 pith:2SW5HQLF submitted 2016-04-03 physics.optics cond-mat.mtrl-sci

classification physics.opticscond-mat.mtrl-sci
keywords weylmetamaterialpointschiralclassexhibitssymmetrytype-ii
verification ladder T0 review T1 audit T2 compute T3 formal
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We report the existence of Weyl points in a class of non-central symmetric metamaterials, which has time reversal symmetry, but does not have inversion symmetry due to chiral coupling between electric and magnetic fields. This class of metamaterial exhibits either type-I or type-II Weyl points depending on its non-local response. We also provide a physical realization of such metamaterial consisting of an array of metal wires in the shape of elliptical helixes which exhibits type-II Weyl points.

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