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Generalization of electric charge adding color charge , mass-energy , etc.; sometimes considered same as its charge quantum number
In physics, a charge is any of many different quantities, such as the electric charge in electromagnetism or the color charge in quantum chromodynamics. Charges correspond to the time-invariant generators of a symmetry group, and specifically, to the generators that commute with the Hamiltonian. Charges are often denoted by Q {\displaystyle Q}, and so the invariance of the charge corresponds to th... Wikipedia