I Electrodynamics, Curl of P and D

  • Thread starter guiablo
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Summary
I have recently finished the "understanding" of Maxwell Equations in class, but there is something the teacher didn't tell us, that I can't find in the book I'm reading neither in the internet, the questions is is there an expresion for the curl of D, or the curl of P that is valid always? (As for exemple the ones for divergences = free charge density or bounded charge density)
I know that in statics curl of P=curl of D, since the variation of B in time = 0, and I also know that for linear mediums those curls are 0, but I don't know why, and I don't know if there is any expresion always valid.

I would like to know where this curl comes from like I know where the curl and the divergence of magnetic/inducción/magnetitation field comes so I can picture the electric field in my head easier, as I do with magnetic field, thank you.
 
I know this is valid always, but i would like to know if we can have the curl of D or P in an expresion that doesn't depend on the other one
 

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