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November 19th, 2003
Gold Particle Crystal Catches the Light
Physicists from the University of Bonn have discovered a new quasi particle and studied it in detail. The work was done in collaboration with the Max Planck Institute of Solid State Research in Stuttgart and the University of Moscow (A. Christ et al., PhysRev. Lett. 91, 183901). For this they used a crystal consisting of small gold wires, which they used to trap the light particles, as it were. In such 'photonic crystals' the light can be said to link the gold wires with each other; with them, therefore, microscopically small light conductor component parts could be produced, for example, which could then be used for telecommunications and other purposes.
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