Relativistic current density components

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Relativistic current density components involve the vector "J" and the scalar "j*c*rho," where "c" represents the speed of light and "rho" is charge density. The multiplication of "rho" by "c" transforms it into a current density with the same units as "J," allowing it to be included in a 4-vector. The discussion highlights that while "rho" is a scalar in isolation, when multiplied by "c," it becomes part of a vector in the context of relativity. The importance of correctly packaging these quantities into 4-vectors is emphasized, as they must transform appropriately under changes in reference frames. Overall, understanding these components is crucial for grasping the principles of relativistic physics.
  • #31
Originally posted by Imagine
Parity?

Yes, parity is part of the group of transformations that defines the tensor character of mathematical objects in both Euclidean and Minkowski spaces. The parity operator P reverses the sign on all spatial coordinates, like so:

x-->x'=Px=-x
 
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  • #32
Merci beaucoup Tom!
 

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