Covariant Form of The Inhomogeneous Wave Equation
See also: Covariant formulation of classical electromagnetismThe relativistic Maxwell's equations can be written in covariant form as
where J is the four-current
- ,
is the 4-gradient and the electromagnetic four-potential is
with the Lorenz gauge condition
- .
Here
- is the d'Alembert operator.
Read more about this topic: Inhomogeneous Electromagnetic Wave Equation
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