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New posts in Propagator
Contradictory result for scalar-field propagator from Feynman rules and LSZ formula
Apr 25, 2021
Limit as $x_1 \to x_0$ for the propagator of the harmonic oscillator
Apr 25, 2021
Renormalization condition: why must be the residue of the propagator be 1?
Apr 25, 2021
Differentiating Propagator, Green's function, Correlation function, etc
Apr 25, 2021
Why is the contribution of a path in Feynmans path integral formalism $\sim e^{(i/\hbar)S[x(t)]}$?
Apr 25, 2021
Why correlation functions?
Apr 25, 2021
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