Abstract
We show that the coset sℓ̂(2)k1⊕sℓ̂(2) k2/sℓ̂(2)k1+k2 is a quantum Hamiltonian reduction of the exceptional affine Lie superalgebra D̂(21;α) and that the corresponding W algebra is the commutant of the UqD(21;α) quantum group.
| Original language | English |
|---|---|
| Pages (from-to) | 489-530 |
| Number of pages | 42 |
| Journal | Nuclear Physics B |
| Volume | 610 |
| Issue number | 3 |
| DOIs | |
| State | Published - 10 Sep 2001 |
| Externally published | Yes |
Keywords
- Hamiltonian reduction
- Quantum groups
- Screening operators
- Vertex-operator algebras
- W algebras