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Symmetry and Conservation of Charge 
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#1
Jan1708, 03:32 PM

P: 858

I understand that all conservation laws have underlying symmetries and that all symmetries have corresponding conservation laws. From reading some popular science books (don't shoot me :P), I understand that conservation of energy, linear and angular momentum are a natural consequence of time translation symmetry, space translation symmetry and space rotation symmetry respectively.
What symmetry does the conservation of charge follow from? Thank you for your time, have a nice day. 


#2
Jan1708, 03:43 PM

P: 91




#3
Jan1708, 04:42 PM

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#4
Jan1708, 05:00 PM

P: 666

Symmetry and Conservation of Charge
EDIT: You know, as I stir up my old memories of this, I now seem to recall that people do use "gauge" to refer to local gauge symmetries, especially in gauge field theory. What is confusing me now is that global choices of gauge, like the Lorentz or Coulomb gauge in Classical E&M, also reflect a gauge symmetry. 


#5
Jan1708, 05:09 PM

P: 91




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