Physical realization of {cal{PT}}-symmetric potential scattering in a planar slab waveguide

A. Ruschhaupt , F. Delgado , J. G. Muga

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classification 🪐 quant-ph cond-mat.mes-hall

keywords scatteringsymmetricphysicalplanarpotentialrealizationslabwaveguide

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A physical realization of scattering by ${\cal{PT}}$-symmetric potentials is provided: we show that the Maxwell equations for an electromagnetic wave travelling along a planar slab waveguide filled with gain and absorbing media in contiguous regions, can be approximated in a parameter range by a Schr\"odinger equation with a ${\cal{PT}}$-symmetric scattering potential.

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Physical realization of {cal{PT}}-symmetric potential scattering in a planar slab waveguide

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