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hep-th2026
Gauging in superconductors and other electronic systems
Marcus Berg, Andrea Cappelli, Riccardo Villa
Ordinary, s-wave superconductors have been recognized as being topological phases of matter, in which the dynamical gauge field implies less understood global features. Using the t…
hep-th2026
On gauging Abelian extensions of finite and U(1) groups
Riccardo Villa
We consider Abelian extensions of global symmetries of the form , with finite. For a quantum field theory with symmetry , we compare gauging …