Acta Metallurgica Sinica(English letters) ›› 2014, Vol. 21 ›› Issue (4): 92-95.doi: 10.1016/S1005-8885(14)60321-6

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Distribution of static equilibrium points in static electric field produced by fixed electrons


  1. School of Science, China University Mining & Technology(Beijing), Beijing 100083, China
  • Received:2014-06-19 Revised:2014-07-01 Online:2014-08-31 Published:2014-08-30

Abstract: Fix n electrons on the disk . They generate a static electric field. Let a be an electron located in the disk . It shows that the closed disk with center a and radius R contains at least one static equilibrium point.

Key words: fixed electrons, static electric field, static equilibrium points