Hubbard Models with Superconducting Quantum Symmetry
Peter Schupp
TL;DR
This paper explores the classical and quantum symmetries of extended Hubbard models, revealing their connection to superconducting SU(2) symmetry through advanced mathematical transformations.
Contribution
It introduces a novel analysis linking quantum symmetries of extended Hubbard models to known superconducting symmetries using generalized transformations.
Findings
Quantum symmetries relate to superconducting SU(2) symmetry.
Generalized Lang-Firsov transformations connect symmetries.
Drinfel'd twists reveal symmetry structures.
Abstract
We discuss classical and quantum symmetries of extended Hubbard models. The quantum symmetries are shown to be related to the known superconducting SU(2) symmetry of the original Hubbard model at half filling via generalized Lang-Firsov transformations and Drinfel'd twists. (Based on talk at the 21st ICGTM in Goslar, July 1996)
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Taxonomy
TopicsMolecular spectroscopy and chirality · Magnetism in coordination complexes · Advanced NMR Techniques and Applications