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W-Infinity Symmetry of the Nambu-Goto String in 4 Dimensions | I. Bakas
; | Date: |
19 Oct 1993 | Journal: | Phys.Lett. B319 (1993) 457-465 | Subject: | hep-th | Abstract: | We consider a bosonic string propagating in 4--dim Minkowski space. We show that in the orthonormal gauge the classical system exhibits a hidden $W_{infty}$ chiral symmetry, arising from the equivalence of its transverse modes with the $SU(2)/U(1)$ coset model defined on the string world--sheet. Generalizations to other string backgrounds are proposed. We also define a Liouville--like transformation that maps solutions of the $SU(2)/U(1)$ coset model into the solution space of two decoupled Liouville theories. Inverting this transformation, however, remains an open problem. | Source: | arXiv, hep-th/9310121 | Services: | Forum | Review | PDF | Favorites |
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