Physics – Optics
Scientific paper
2005-03-03
Physics
Optics
12 pages, 5 figures, 1 table
Scientific paper
10.1134/1.2131968
The thermal radiation of small conducting particles was investigated in the region where the Stephan-Boltzmann law is not valid and strongly overestimates radiation losses. The new criterion for the particle size, at which black body radiation law fails, was formulated. The approach is based on the magnetic particle polarization, which is valid until very small sizes (cluster size) where due to drop of particle conductivity the electric polarization prevails over the magnetic one. It was also shown that the radiation power of clusters, estimated on the basis of the experimental data, is lower than that given by the Stephan-Boltzmann law.
Martynenko Yu. V.
Ognev L. I.
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