Abstract
By means of the identity operator and vertex operator technique, reparametrization invariance and BRST symmetry are proven for the heterotic string with Wess-Zumino term coupling the fiber bundle. The motion space of the string is assumed to be a direct productM d ⊗G of a Minkowski spaceM d of dimensiond with an intrinsic group manifoldG of dimensiond G , and turns out to give the critical dimension.
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Xu, Bq., Xu, P., Xu, D. et al. (2,0) Heterotic superstring with Wess-Zumino coupling. Int J Theor Phys 33, 2389–2398 (1994). https://doi.org/10.1007/BF00673964
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DOI: https://doi.org/10.1007/BF00673964