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## IS it possible to have total bound current NOT equal to 0?

I have a permanent magnetization $\vec{M}$=(ks)$\hat{z}$, k is just a const, s is the cylindrical coor. Then it turns out that the total bound current not equal to 0. i wonder is it possible? the magnetization is stored inside the shell of a cylinder of inner radius a and outer radius b.
thanks in advance!
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