Generating function for Weyl-ordered spin correlation functions
Posted by Gickle, at physics.stackexchange.com,
Consider the standard 2-dimensional phase space: $[\hat{x},\hat{p}] = \mathrm{i}$. Upon taking the Wigner transform of the…
How to solve this equation involving an exponential of the angular momentum operator?
Posted by Luessiaw, at physics.stackexchange.com,
Let $\vec a$ be a given vector, and $\vec J=[\hat J_x,\hat J_y,\hat J_z]$ the total angular momentum operator. $\vec \beta$ is…
Does spin 3/2 imply 2/3 full rotations?
Posted by Xfce4, at physics.stackexchange.com,
In this Wikipedia page it writes: ... a spin of 1/2 means that the particle must be rotated by two…
Modified non-abelian Wilson loop
Posted by user34104, at physics.stackexchange.com,
Consider a $\mathrm{SU}(2)$ Wilson loop in some representation $R$, $$W_R= \mathrm{Tr}_R\left\{\mathcal P\exp\left(i \oint \mathr…