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Giant nonlinearity of carbon nanotubes in a photonic metamaterial
Andrey E. Nikolaenko, Francesco De Angelis, Stuart A. Boden +4
Metamaterials, artificial media structured on the subwavelength scale offer a rich paradigm for developing unique photonic functionalities ranging from negative index of refraction…
Spectral collapse in ensembles of meta-molecules
V. A. Fedotov, N. Papasimakis, E. Plum +5
We report on a new collective phenomenon in metamaterials: spectral line collapse with increasing number of the unit cell resonators (meta-molecules). Resembling the behaviour of e…
Breakdown of Long-Range Correlations in Heart Rate Fluctuations During Meditation
Nikitas Papasimakis, Fotini Pallikari
The average wavelet coefficient method is applied to investigate the scaling features of heart rate variability during meditation, a state of induced mental relaxation. While perio…