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Results tagged with electromagnetism
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user 18818
The classical theory of electric and magnetic fields, both in the static and dynamic case. It also covers general questions about magnets, electric attraction/repulsion, etc. Distinct from electrical-engineering.
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votes
Where does the mass term come from in the Proca Lagrangian?
The mass term in any Field Lagrangian is always the term that is quadratic in the fields and has the opposite sign wrt. the kinetic term - this is crucial.
Why, you ask? Well, suppose we forget about …
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