Show that the gauge transformation (D.8) used in our discussion of QED can be written as two
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V (r, t) → V'(r, t) = exp[-iqf(r, t)] V (r, t), (D.8) Σνου(-ΣΤλοη)ν Ψ- Vexp| -ig ΣΗ" f (r, t) Ψ (D.58)
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The transformation D8 can be rewritten using D64 as Whe...View the full answer
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