I Does anyone have a collection of the Dirac Equations?

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The discussion centers on the need for Dirac equations for a physics paper. A participant notes the omission of the equations in their work and seeks reliable sources. Textbooks on quantum field theory (QFT) are recommended, specifically mentioning M. D. Schwartz's "Quantum Field Theory and the Standard Model." This highlights the importance of referencing established literature for accurate scientific writing. Accessing comprehensive QFT textbooks is essential for including the Dirac equations in academic papers.
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I am basically searching for a good source where Diracs Equasions resulting in negative energy are listed.
I am working on my physics paper and just realized that after explaining everything I did not add the equasion. Now I am wondering where I can find a good source on them, so that I can add them.
 
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It's in any textbook on QFT, e.g.,

M. D. Schwartz, Quantum field theory and the Standard
Model, Cambridge University Press, Cambridge, New York
(2014).
 

Thread 'Angular Momentum Vector and Its Magnitude'

For the quantum state ##|l,m\rangle= |2,0\rangle## the z-component of angular momentum is zero and ##|L^2|=6 \hbar^2##. According to uncertainty it is impossible to determine the values of ##L_x, L_y, L_z## simultaneously. However, we know that ##L_x## and ## L_y##, like ##L_z##, get the values ##(-2,-1,0,1,2) \hbar##. In other words, for the state ##|2,0\rangle## we have ##\vec{L}=(L_x, L_y,0)## with ##L_x## and ## L_y## one of the values ##(-2,-1,0,1,2) \hbar##. But none of these...
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