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Results tagged with spinors
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user 27415
3
votes
Why a 2-state photon is interpreted as spin 1?
A particle in a relativistic theory is considered be an excitation of a quantum field whose hamiltonian, in the absence of interactions, possesses the symmetry of the inhomogeneous lorentz group (rota …
- 927
1
vote
1
answer
46
views
Projective representations and reduction of half-integer spin representations under $C_{\inf...
Suppose we have an orthonormal basis of states $|j,m,p\rangle$ where
$j=\frac{1}{2},\frac{3}{2},\ldots$ is the angular momentum quantum number associated with some angular momentum operator $\mathbf{ …
- 927
1
vote
Projective representations and reduction of half-integer spin representations under $C_{\inf...
I have a partial answer to some of the questions posed.
First off, by analyzing the characters of the action of group $G \equiv \{R^z_\phi : \phi \in [0,4\pi)\} \cup \{\Sigma^z_\phi : \phi \in [0,4\pi …
- 927