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hep-th2026
Fermions Scattering Off Non-Abelian Rotors
George Koundouros, David Tong
We study the dynamics of chiral fermions interacting with a rotor impurity. The rotors are non-Abelian, taking values in either an group manifold, or an $SU(N)/SO(N…
hep-th2026
Onsager Algebras and Lattice Fermions
Ioanna Kourkoulou, David Tong
We study the exact Onsager algebra of free lattice fermions in staggered, Wilson, and overlap incarnations, working in both Hamiltonian and Euclidean formulations in four spacetime…