An exact formula for electromagnetic momentum in terms of the charge density and the Coulomb gauge vector potential
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DOI: 10.1088/1361-6404/aa9051
Abstract: The electromagnetic momentum is sometimes approximated by , where is the charge density and is the Coulomb gauge vector potential. Here, we show that is the first term in an exact two-term expression where the… read more here.
Keywords: electromagnetic momentum; charge density; coulomb gauge; density coulomb ... See more keywords