A Quantum Analogue of the Boson-Fermion Correspondence

Details A Quantum Analogue of the Boson-Fermion Correspondence A Quantum Analogue of the Boson-Fermion Correspondence

1994-05-22

arxiv.org/abs/hep-th/9405142v1

Int. J. Mod. Phys. A10 (1995) 923-942

Physics

High Energy Physics

High Energy Physics - Theory

23 pages, CRM-2181

Scientific paper

We review the classical boson-fermion correspondence in the context of the $\widehat{sl(2)}$ current algebra at level 2. This particular algebra is ideal to exhibit this correspondence because it can be realized either in terms of three real bosonic fields or in terms of one real and one complex fermionic fields. We also derive a fermionic realization of the quantum current algebra $U_q(\widehat{sl(2)})$ at level 2 and by comparing this realization with the existing bosonic one we extend the classical correspondence to the quantum case.

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