平板波导中${\cal{PT}}$对称势散射的物理实现
Physical realization of ${\cal{PT}}$-symmetric potential scattering in a planar slab waveguide
摘要：
通过${\cal{PT}}$对称势散射的物理实现：我们表明，麦克斯韦方程组的电磁波沿平板波导中充满增益和吸收介质的连续区域，可以近似在一个参数范围内的薛定谔方程与${\cal{PT}}$对称散射势。
英文摘要：
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 Schrödinger equation with a ${\cal{PT}}$-symmetric scattering potential.
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