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The bosonic string and superstring models in 26+2 and 10+2 dimensional space--time, and the generalized Chern-Simons action | | Yoshiyuki Watabiki
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6 Mar 2003 | | Journal: | JHEP 0305 (2003) 001 | | Subject: | hep-th | | Abstract: | We have covariantized the Lagrangians of the U(1)_V * U(1)_A models, which have U(1)_V * U(1)_A gauge symmetry in two dimensions, and studied their symmetric structures. The special property of the U(1)_V * U(1)_A models is the fact that all these models have an extra time coordinate in the target space-time. The U(1)_V * U(1)_A models coupled to two-dimensional gravity are string models in 26+2 dimensional target space-time for bosonic string and in 10+2 dimensional target space-time for superstring. Both string models have two time coordinates. In order to construct the covariant Lagrangians of the U(1)_V * U(1)_A models the generalized Chern-Simons term plays an important role. The supersymmetric generalized Chern-Simons action is also proposed. The Green-Schwarz type of U(1)_V * U(1)_A superstring model has another fermionic local symmetry as well as kappa-symmetry. The supersymmetry of target space-time is different from the standard one. | | Source: | arXiv, hep-th/0303045 | | Services: | Forum | Review | PDF | Favorites | |
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