Quantum currents in the Coset Space SU(2)/U(1)

Details Quantum currents in the Coset Space SU(2)/U(1) Quantum currents in the Coset Space SU(2)/U(1)

2000-03-07

arxiv.org/abs/math/0003041v1

Commun.Theor.Phys. 37 (2002) 59-62

Mathematics

Quantum Algebra

Latex, 9 pages

Scientific paper

We propose a rational quantum deformed nonlocal currents in the homogenous space $SU(2)_k/U(1)$, and in terms of it and a free boson field a representation for the Drinfeld currents of Yangian double at a general level $k=c$ is obtained. In the classical limit $\hbar \to 0$, the quantum nonlocal currents become $SU(2)_k$ parafermion, and the realization of Yangian double becomes the parafermion realization of $SU(2)_k$ current algebra.

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