Tag Archives: Mathieu equation
How do you trap an electron?
I’ve always found the concept of two forces on an object cancelling themselves out strange. We say they cancel if the changes they exert completely offset each other, leaving the object unaffected. But is the object really unaffected? If the two forces … Continue reading
Posted in Scicomm
Tagged alternating current, Earnshaw's theorem, Gauss's law, Helmut Steinwedel, hyperbolic electrodes, Mathieu equation, ponderomotive force, quadrupole ion trap, Wolfgang Paul
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