Guido Grosso

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Spontaneous increases of plasma density, up to ~1.6 times the Greenwald value, are observed in FTU with lithized walls. These plasmas are characterised by profile peaking up to the highest obtained densities. The transport analysis of these discharges shows a 20% enhancement of the energy confinement time, with respect to the ITER97 L-mode scaling,(More)
We investigate the propagation and scattering of polaritons in a planar GaAs microcavity in the linear regime under resonant excitation. The propagation of the coherent polariton wave across an extended defect creates phase and intensity patterns with identical qualitative features previously attributed to dark and half-dark solitons of polaritons. We(More)
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