Exceptional Points in the Flatland: A Non-Hermitian Line-Wave Scenario
Massimo Moccia,
Giuseppe Castaldi,
Francesco Monticone
et al.
Abstract:Line waves are recently discovered wave entities that are localized along two directions, and therefore can be viewed as the one-dimensional counterpart of surface waves. These waves can be supported at discontinuities of the surface reactance and/or resistance of low-dimensional materials such as metasurfaces or graphene. Here, a broader class of non-Hermitian surface-impedance junctions is studied that can support coupled line waves, and allows investigating different onedimensional waveguiding mechanisms in… Show more
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