E&M question

  • Thread starter Miviato
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  • #1
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Homework Statement


Can you derive Maxwell's equations from conservation of charge, energy and angular momentum for E&M fields?


Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
312
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Once you are able to define these quantities, including EM fields themselves, I'm sure you can. But without Maxwell's equations, how do you even define a charge?
 
  • #3
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One could argue that the field theory approach, deriving Maxwell's equations from the Lagrangian with 4-vector potentials, is what you've asked about.
 

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