Timeline for Why do all Feynman diagrams with same number of external legs have the same mass dimension?

8 events

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Mar 6, 2022 at 15:47	comment	added	Qmechanic♦		Notes for later: Replace mass dimension with inverse length dimension. $\quad[\overline{D}]=d-\sum_f E_f[\overline{\phi}_f]$. A delta-function-stripped $E$-point scattering amplitude ${\cal M}=\hbar^{\frac{2-d}{2}E+d}\overline{\cal M}$ has $[{\cal M}]=M^{\frac{2-d}{2}E+d}$ and $[\overline{\cal M}]=L^{\frac{d-2}{2}E-d}$, cf. Schwartz eq. (5.18).
Apr 20, 2021 at 11:54	history	edited	Qmechanic♦	CC BY-SA 4.0	d \neq 4
Apr 19, 2021 at 20:23	history	edited	Qmechanic♦	CC BY-SA 4.0	Added explanation
Mar 27, 2020 at 16:16	history	edited	Qmechanic♦	CC BY-SA 4.0	Added explanation
Mar 26, 2020 at 1:18	history	edited	Qmechanic♦	CC BY-SA 4.0	Minor formatting
Mar 26, 2020 at 1:09	vote	accept	Merlin Zhang
Mar 25, 2020 at 23:50	history	edited	Qmechanic♦	CC BY-SA 4.0	Added explanation
Mar 25, 2020 at 21:48	history	answered	Qmechanic♦	CC BY-SA 4.0