Spin density of electromagnetic waves

Mathematics. Physics. Mechanics


Khrapko R. I.

Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia

e-mail: khrapko_ri@hotmail.com


Contrary to a standard opinion, it is affirmed that circular polarized plane electromagnetic waves carry a spin angular momentum. A field of a rotating electrical dipole is considered. An unusual covariant form of electrodynamics is used, the form represents a self-dependent interest. A reason of the elimination of the electrodynamics spin tensor is found out. A concrete nonzero expression for an electromagnetic wave spin tensor density is suggested, and a virtue of this expression is demonstrated at an example of absorption of circular polarized electromagnetic waves.


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