Encyclopedia: RKK...
Encyclopedia : R : RK : RKK (8 articles)
RääkkyläRääkkylä is a municipality of Finland. It is located in the province of Eastern Finland and is part of the North Karelia region. The municipality has a population of 2,960 (2003) and covers an area of 699.76 km² of which 273.81 km² is water. The population density is 6.9 inhabitants per km²..
RKKYRKKY stands for Ruderman-Kittel-Kasuya-Yosida and refers to a coupling mechanism of nuclear magnetic moments or localized inner d shell electron spins in a metal by means of an interaction through the conduction electrons. The RKKY interaction was original proposed by M.A. Ruderman and Charles Kit..
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