Quantum field theory | Quantum field theory lecture | Quantum field theory explained

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00:00 - 01:19 - Introduction
01:20 - 04:37 - A quick recap
04:38 - 07:42 - Scattering and transition amplitude
07:43 - 16:40 - What is transition amplitude
16:41 - 27:43 - Bhabha scattering and Feynman diagram
27:44 - 32:08 - Non relativistic quantum mechanics, relativistic quantum mechanics and quantum field theory
32:09 - 33:55 - Relation between quantum emchanics and quantum field theory
33:56 - 35:14 - Summary

Quantum field theory deals with scattering process. In this video of quantu field theory, I have explained about the concept of transition amplitude and what is known as Bhabha scattering. First, I have discussed about the Feynman diagram and how it helps us to visualize Bhabha scattering and then the mathematical equation of the creation and annihilation of electrons and positron, Certain very important points on quantum field theory, relativistic quantum mechanics and quantum mechanics are discussed along with their relationship among them.

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My name is Shounak. I teach in a college. My subject of specialization is the general theory of relativity, tensor calculus, and topology. I also teach communicative English.

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