Can a charged ring levitate a neutral, polarizable object? Can Earnshaw's Theorem be extended to such objects?
arXiv:physics/0701277 · doi:10.1134/S1054660X07070079
Abstract
Stable electrostatic levitation and trapping of a neutral, polarizable object by a charged ring is shown to be theoretically impossible. Earnshaw's Theorem precludes the existence of such a stable, neutral particle trap.
11 pages, 1 figure