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Results tagged with lagrangian-formalism
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user 133037
For questions involving the Lagrangian formulation of a dynamical system. Namely, the application of an action principle to a suitably chosen Lagrangian or Lagrangian Density in order to obtain the equations of motion of the system.
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How to find propagator from Lagrangian at a glance?
The form of the propagator is simple - in momentum space it is simply the inverse of the term coupling your two bosons, as you pointed out:
$$G \propto f(p^2)^{-1}$$
provided the $f(p^2)$ is indeed in …
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