The exact evaluation of #QuantumFieldTheory path integrals can be tricky; this is why it is so important to master #perturbative methods.

Do it now and discuss in detail the loop expansion and #Feynman rules together with Partha Mukhopadhyay from The Institute of Mathematical Sciences, Chennai at https://enabla.com/pub/962/about

Our lectures are #free & #openaccess; the easiest way for you to support our project is to share this post, follow our account, and ask a few questions on Enabla. Thank you!🙏