| Speaker: |
Kentaroh Yoshida (Univ. of Kyoto) |
| Title: |
Yangian symmetry in deformed WZNW models on squashed spheres |
| Date (JST): |
Tue, May 24, 2011, 13:15 - 14:45 |
| Place: |
Seminar Room A |
| Related File: |
454.pdf
|
| Abstract: |
We introduce a deformation of the Wess-Zumino-Novikov-Witten (WZNW) model with three-dimensional squashed sphere target space. We show how with an appropriate choice of Wess-Zumino and boundary terms it is possible to construct an infinite family of conserved charges realizing a SU(2) Yangian algebra. Finally we discuss the running of the squashing parameter under renormalization group flow.
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