Ciro Santilli
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Theoretical framework on which quantum field theories are based, theories based on framework include:
so basically the entire Standard Model
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The basic idea is that there is a field for each particle particle type.
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And then those fields interact with some Lagrangian.
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There appear to be two main equivalent formulations of quantum field theory:
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Video 69. "Quantum Field Theory visualized" by ScienceClic English (2020) Source. Gives one piece of possibly OK intuition: quantum theories kind of model all possible evolutions of the system at the same time, but with different probabilities. QFT is no different in that aspect.
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Video 70. Quantum Fields: The Real Building Blocks of the Universe by David Tong (2017) Source. Boring, does not give anything except the usual blabla everyone knows from Googling:
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Ancestors

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