Uniqueness theorem for Poisson's equation: Difference between revisions

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In [[Gaussian units]], the general expression for [[Poisson's equation]] in [[electrostatics]] is

:<math>\mathbf{\nabla}\cdot(\epsilon\mathbf{\nabla}\varphi)= -4\pi\rho_f</math>

Here <math>\varphi</math> is the [[electric potential]] and <math>\mathbf{E}=-\mathbf{\nabla}\varphi</math> is the [[electric field]].