Broad-Band Negative Refraction via Simultaneous Multi-Electron Transitions
arXiv:1807.02304 · doi:10.1088/2399-6528/aafe4b
Abstract
We analyze different factors which influence the negative refraction in solids and multi-atom molecules. We find that this negative refraction is significantly influenced by simultaneous multi-electron transitions with the same transition frequency and dipole redistribution over different eigenstates. We show that these simultaneous multi-electron transitions and enhanced transition dipole broaden the bandwidth of the negative refraction by at least one order of magnitude. This work provides additional connection between metamaterials and Mobius strips.
arXiv comment16 pages, 4 figures
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