BTW... what the fuck is gravity? Also... what is Life? Also... how exactly does magnetism work? And lastly... why does the Atom not suffer Enrtopy?? I’m all ears
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For those asking about EM following from the U(1)_{em} symmetry .. what this means is that you have the general SM gauge symmetry SU(3)_c x SU(2)_L x U(1)_Y .. and after the higgs gets a vev the SM electroweak sector (SU(2)_L x U(1)_Y ) breaks to the subgroup U(1) .. 1/2
The pseudo goldstone bosons of the symmetry breaking are the W+- and Z0 bosons of the weak force.. there is however an unbroken U(1) gauge symm. whose corresponding gauge field (connection) is chargeless and massless, and also obeys Maxwell's equations .. this is the photon field
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For the pedants.. “broken” means “hidden” and by “hidden” we mean nonlinearly realized on the fields
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