I was busy google about different types of electric and magnetic dipole moment then a thought suddenly striked me, why there is no colour multipole moment?
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$\begingroup$ What would that be or what would it describe (differently)? $\endgroup$– TeraFeb 4, 2020 at 12:28
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2$\begingroup$ Who says there isn't one? $\endgroup$– lurscherFeb 4, 2020 at 13:05
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1$\begingroup$ why don't you google "color dipole" ? $\endgroup$– anna vFeb 4, 2020 at 14:06