アーンショーの定理
1. Earnshaw's theoremEarnshaw's theorem states that a collection of point charges cannot be maintained in a stable stationary equilibrium configuration solely by the electrostatic interaction of the charges. This was first proven by British mathematician Samuel Earnshaw in 1842. It is usually referenced to magnetic fields, but originally applied to electrostatic fields.
Read “Earnshaw's theorem” on English Wikipedia
Read “アーンショーの定理” on Japanese Wikipedia
Read “Earnshaw's theorem” on DBpedia
Read “Earnshaw's theorem” on English Wikipedia
Read “アーンショーの定理” on Japanese Wikipedia
Read “Earnshaw's theorem” on DBpedia
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