Localization or classical diffusion of light?
Article Abstract:
It is possible to raise doubts about new near-infrared optical transmission and coherent backscattering data from strongly scattering slabs of micrometre-sized semiconductor particles. The researchers believe that they identified evidence for the onset of strong localization of light, but it is also possible to argue that the data can be explained by classical diffusion linked with reasonable absorption levels. This research cannot be regarded as providing irrefutable evidence for the existence of the critical regime, or Anderson localization, of light.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1999
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Light jets near light speed
Article Abstract:
Wardle and colleagues have detected a subtle feature in the radio emission from the inner jet of the violently variable quasar 3C279, providing images and spectral distributions of circularly polarized emission. This provides evidence that such jets are mostly made of electron-positron pairs, often at low energies. This gives an insight into the mechanisms for jet formation in active galactic nucleus.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1998
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