一个是电子表面等离子体波，在金属辊通过海传导电子。
A plasmon is an electronic surface wave that rolls through the sea of conduction electrons on a metal.
由于这部分电子的数目相当可观，因此近壁传导电流较之古典传导电流增大了一个数量级，这一效应足以解释实验测量的电子电流。
Because of the reasonable quantity of electrons, the current of near wall conduction is bigger than classical current by an order of magnitude, the effect can explain the current in experiments.
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