What is the QED Lagrangian in terms of left and right-handed spinors?

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In summary, the QED Lagrangian is a mathematical expression that describes the interactions between electromagnetic fields and left and right-handed spinors. It is derived from the Quantum Electrodynamic (QED) theory and is used to calculate the probabilities of particle interactions in particle physics. The QED Lagrangian involves a combination of terms representing the electromagnetic field and the spinors, which are particles with half-integer spin. This Lagrangian plays a crucial role in understanding the behavior of particles and their interactions with electromagnetic forces.
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Hey guys! I'm a 5th year physics student from Austria and currently dealing with some tricky homework in particle physics. So I might come up with a question once in a while.
 
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