English

On the KP Hierarchy, $\hat{W}_{\infty}$ Algebra, and Conformal SL(2,R)/U(1) Model --- The Classical and Quantum Cases

High Energy Physics - Theory 2007-05-23 v1

Abstract

We give a unified description of our recent results on the the inter-relationship between the integrable infinite KP hierarchy, nonlinear W^\hat{W}_{\infty} current algebra and conformal noncompact SL(2,R)/U(1)SL(2,R)/U(1) coset model both at the classical and quantum levels. In particular, we present the construction of a quantum version of the KP hierarchy by deforming the second KP Hamiltonian structure through quantizing the SL(2,R)k/U(1)SL(2,R)_k/U(1) model and constructing an infinite set of commuting quantum W^\hat{W}_{\infty} charges (at least at kk=1).

Keywords

Cite

@article{arxiv.hep-th/9210162,
  title  = {On the KP Hierarchy, $\hat{W}_{\infty}$ Algebra, and Conformal SL(2,R)/U(1) Model --- The Classical and Quantum Cases},
  author = {Feng Yu and Yong-Shi Wu},
  journal= {arXiv preprint arXiv:hep-th/9210162},
  year   = {2007}
}

Comments

(Invited talk given the second at the XXI International Conference on Differential Geometric Methods in Theoretical Physics, Nankai Institute of Mathematics, Tianjin, China; June 5-9, 1992; to appear in Proceedings.), 12p, Latex file