![quantum electrodynamics - Gauge invariance of 2-to-2 scattering at order $e^4$ in scalar QED - Physics Stack Exchange quantum electrodynamics - Gauge invariance of 2-to-2 scattering at order $e^4$ in scalar QED - Physics Stack Exchange](https://i.stack.imgur.com/HEuv9.jpg)
quantum electrodynamics - Gauge invariance of 2-to-2 scattering at order $e^4$ in scalar QED - Physics Stack Exchange
![A scalar QED diagram including only three-point gauge vertices, which... | Download Scientific Diagram A scalar QED diagram including only three-point gauge vertices, which... | Download Scientific Diagram](https://www.researchgate.net/publication/13269925/figure/fig1/AS:650775067901959@1532168275244/A-scalar-QED-diagram-including-only-three-point-gauge-vertices-which-contributes-to-the.png)
A scalar QED diagram including only three-point gauge vertices, which... | Download Scientific Diagram
![SOLVED: Conserved current of QED with complex scalar field Lagrangian L=(Du)*D"y,where Du=Ju+iqAu gauge transformation 4(x->e-igo( (x) i0(x) Show that conserveol current J*=i9[b*D6-b(Db)*] SOLVED: Conserved current of QED with complex scalar field Lagrangian L=(Du)*D"y,where Du=Ju+iqAu gauge transformation 4(x->e-igo( (x) i0(x) Show that conserveol current J*=i9[b*D6-b(Db)*]](https://cdn.numerade.com/ask_images/41a1333b8a6343308c4994b826f78eda.jpg)
SOLVED: Conserved current of QED with complex scalar field Lagrangian L=(Du)*D"y,where Du=Ju+iqAu gauge transformation 4(x->e-igo( (x) i0(x) Show that conserveol current J*=i9[b*D6-b(Db)*]
![Quantization of free scalar fields scalar field equation of motin Lagrangian density (i) Lorentzian invariance (ii) invariance under → require. - ppt download Quantization of free scalar fields scalar field equation of motin Lagrangian density (i) Lorentzian invariance (ii) invariance under → require. - ppt download](https://images.slideplayer.com/32/9967648/slides/slide_4.jpg)
Quantization of free scalar fields scalar field equation of motin Lagrangian density (i) Lorentzian invariance (ii) invariance under → require. - ppt download
![SOLVED: Conserved current of QED with Dirac fermion: Lagrangian = 4D, where D = du + ig gauge transformation 5(x) - 140 (Conserved current) SOLVED: Conserved current of QED with Dirac fermion: Lagrangian = 4D, where D = du + ig gauge transformation 5(x) - 140 (Conserved current)](https://cdn.numerade.com/ask_images/49d1dd8dc300409796ad8fa820489b48.jpg)