Classical Physics


Electrodynamics' Spin

Authors: R. Khrapko

We solve the angular momentum problems of the electrodynamics. We show that a desire of using a spin density proved to be correct for evaluating of the electrodynamics spin because the moment of momentum is an orbital angular momentum density and does not encompass the spin. However, the expression is not a true expression for the spin density. This expression yields correct results in simplest cases randomly. Its improvement is hopeless. Instead we present a true spin density of electromagnetic waves and demonstrate a way for its deducing. Our result can be expressed by a sum of the orbital and spin angular momentums.

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Submission history

[v1] 25 Mar 2007

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