A. Zee, Quantum Field Theory in a Nutshell · Problem VIII.1.1

Field Theory Redux

Physics — QFT

Problem

Work out

T^{\mu\nu}

for a scalar field. Draw the Feynman diagram for the contribution of one-graviton exchange to the scattering of two scalar mesons. Calculate the amplitude and extract the interaction energy between two mesons sitting at rest, thus deriving Newton's law of gravity.

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