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In the context of non-Hermitian photonics, we present recent results of wave control in disordered media. We show how engineering the imaginary part of the refractive index can lead to complete wave control inside a disordered scattering system. Perfect transmission and focusing can be achieved.
The recent intense research in the newly founded area of PT-symmetric optics [1,2] has triggered a lot of attention in theoretical and experimental studies of non-Hermitian effects in photonics. In this context of composite photonic systems that contain gain and loss, we recently demonstrated for the first time the existence of so-called “constant-intensity waves” (or CI-waves) [3], which, in the...
There are numerous tabulated data available in the literature on electronic stopping of protons in LiF and CaF 2 at energies near the stopping power maximum. Problems with calculation of the stopping cross section for these compounds using Bragg's rule arise due to a large binding effect (up to ∼20%) which is expected in these compounds due to the ionic character of the bond.Another question...
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