通过无序介质的完美传输
Perfect Transmission through Disordered Media
摘要：
波通过随机选择的“一堆板”的传输通常随板的数量呈指数下降，这一现象与安德森局域化密切相关。在明显的矛盾，我们构建无序的平面介电常数的配置文件是复杂的价值观（即有反应和耗散属性），似乎随位置随机变化，但单向反射的所有角度的入射，并表现出传输系数的统一。我们对比这些复值的“随机”平面介电常数配置文件与一个家庭的实值，双向无反射和完美的传输无序介电常数配置文件，功能只为一个单一的入射角和频率。
英文摘要：
The transmission of a wave through a randomly chosen `pile of plates' typically decreases exponentially with the number of plates, a phenomenon closely related to Anderson localisation. In apparent contradiction we construct disordered planar permittivity profiles which are complex-valued (i.e. have reactive and dissipative properties) that appear to vary randomly with position, yet are one-way reflectionless for all angles of incidence and exhibit a transmission coefficient of unity. We contrast these complex-valued 'random' planar permittivity profiles with a family of real-valued, two-way reflectionless and perfectly transmitting disordered permittivity profiles that function only for a single angle of incidence and frequency.
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