Timeline for Counting d.o.f. and gauge fixing $A_{\mu}$ and $\psi$ in $D$-dimensions
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Jan 9, 2015 at 13:20 | comment | added | JamalS | @PhotonicBoom Updated. | |
| Jan 9, 2015 at 13:17 | history | edited | JamalS | CC BY-SA 3.0 |
added 323 characters in body
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| Jan 9, 2015 at 12:42 | comment | added | PhotonBoom | @JamalS, you probably should include that in the answer because you mentioned photons having 2 d.o.f in 4D but you only explain how to get rid of one of them :) | |
| Jan 9, 2015 at 12:39 | comment | added | JamalS | @Marion Don't forget you lose another degree of freedom from gauge symmetry to get two in four dimensions. | |
| Jan 9, 2015 at 12:38 | comment | added | Marion | So in 4 dimensions we have 3 independent components and by analogy in $D$-dimensions we have $D-1$ independent components. Why are they called off-shell though? Also, how did you go from the first equation to the second equation? | |
| Jan 9, 2015 at 12:34 | history | answered | JamalS | CC BY-SA 3.0 |