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Questions Tagged with "propagator" (Page 3)

Explore solved questions tagged with "propagator" or help others by answering their unsolved questions related to "propagator".

Why is $langle 0| phi (x) phi (y) |0 rangle = int frac{d^3p}{(2pi)^2} frac{1}{2E_p} e^{-i p (x-y)}$ ? (Peskin and Schroeder equation 2.50)

1 answer

Physics Asked 3 years ago by Xincify

Difficulty with Kallen-Lehmann spectral functions

1 answer

Physics Asked 3 years ago by GRrocks

Propagator in normal modes

1 answer

Physics Asked 3 years ago by Reshad

Integral of gauge field bulk to boundary propagator in AdS

0 answer

Physics Asked 3 years ago by zetaquarrel

On which propagator does the field self-contraction loop go on this Feynman diagram?

1 answer

Physics Asked 3 years ago

Klein-Gordon Propagator for spatial separation $x - y = (0, r)$

1 answer

Physics Asked 3 years ago

Expressing Feynman propagator with absolute value instead of Heaviside step function?

0 answer

Physics Asked 3 years ago by ielschany

Interpretation of Feynman's propagator

0 answer

Physics Asked 3 years ago by MathMath

QFT: expanding the propagator in terms of Minkowski modes

1 answer

Physics Asked 3 years ago

Branch cut singularity in photon propagator at one loop

1 answer

Physics Asked 3 years ago by Alex V.

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