✎ Dirac Equation [The Physics Travel Guide]

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====== Dirac Equation ======

<note tip>It's the correct equation of motion that describes free [[basic_notions:spin|spin]] $1/2$ particles.
</note>

<note tip>
Explanations in this section should contain no formulas, but instead colloquial things like you would hear them during a coffee break or at a cocktail party.
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<tabbox Student>

* For an elementary derivation and a discussion of what the solution of the Dirac equation mean, see Physics from Symmetry by Schwichtenberg
  * Alternative, two possible derivations can be found at page 100ff in Relativistic Quantum Mechanics by Paul Strange
  * A great discussion can be found in [[https://books.google.de/books?id=HbdEAgAAQBAJ&lpg=PA157&ots=mShBas00sp&dq=We%20could%20also%20have%20written%20down%20a%20rotationally%20invariant%20equation%20of%20motion%20for&hl=de&pg=PA158#v=onepage&q&f=false|chapter 10 of the quantum field theory book by Matthew Schwartz]].
  * Another great discussion, especially of question how many degrees of freedom a Dirac spinor has can be found in http://www.damtp.cam.ac.uk/user/tong/qft/four.pdf
 
<tabbox Researcher>

<note tip>
The motto in this section is: //the higher the level of abstraction, the better//.
</note>

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<tabbox Examples>

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<tabbox History>

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