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Mathematical methods in classical mechanics, classical and quantum field theory, quantum mechanics, statistical mechanics, condensed matter, nuclear and atomic physics.

5 votes
1 answer
192 views

In the rep theory of Quantum Double, why does the fusion of 2 "pure fluxes" yield a "pure ch...

Physicist here, so my notation may be different from standard math notation. For the quantum double $D(G)$ of a group $G$, we may write representations of $D(G)$ in the following way: Consider a conju …
pyroscepter's user avatar
2 votes
0 answers
69 views

Mathematical reason for scatter states being special?

In infinite spectral theory, we have the discrete and continuous spectrum, which are called "bound" and "scatter states" in physics. My understanding is, if $O \in B(H)$ is a self-adjoint bounded line …
pyroscepter's user avatar