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In a fusion reactor the fuel being a very warm gas, the so-called plasma, is confined in a magnetic field. Chaotic processes in the plasma may perturb that field. Because of this, the heat can leak out of the plasma and the fusion process becomes less efficient. Researchers at the FOM Institute for Plasma Physics Rijnhuizen, Nieuwegein (The Netherlands), have now found out, theoretically, that a difference in temperature is able to reinforce the perturbation of the field. This fresh understanding enables scientists to find ways in order to monitor the magnetic field better, to stabilize the plasma and to have the fusion in the nuclear reactor working better. The reserachers had their findings published in the Physical Review Letters of 29 June 2007.
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