Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1992-10-07
Phys.Lett. B296 (1992) 353-360
Physics
High Energy Physics
High Energy Physics - Theory
15 pages
Scientific paper
10.1016/0370-2693(92)91331-3
Using a geometrical approach to the quantum Yang-Baxter equation, the quantum
algebra ${\cal U}_{\hbar}(sl_{2})$ and its universal quantum $R$-matrix are
explicitely constructed as functionals of the associated classical $r$-matrix.
In this framework, the quantum algebra ${\cal U}_{\hbar}(sl_{2})$ is naturally
imbedded in the universal envelopping algebra of the $sl_{2}$ current algebra.
Freidel Laurent
Maillet Jean Michel
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