A Unifying Topological Action for Heterotic and Type II Superstring Theories

Details A Unifying Topological Action for Heterotic and Type II Superstring Theories A Unifying Topological Action for Heterotic and Type II Superstring Theories

1996-06-13

arxiv.org/abs/hep-th/9606080v1

Phys.Lett. B386 (1996) 91-98

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, LaTeX, no figures

Scientific paper

10.1016/0370-2693(96)00909-4

The heterotic and type II superstring actions are identified in different anomaly-free decompositions of a single topological sigma-model action depending on bosonic and fermionic coordinates, $X^\mu$ and $\r^A$ respectively, and of their topological ghosts. This model results from gauge-fixing the topological gauge symmetry $\delta X^\mu = \epsilon^\mu (z,\bar z)$ ($\mu =1,2,\dots, 10$) and $\delta \r^\alpha= \epsilon^\alpha (z,\bar z)$. ($\alpha=1,2.\dots, 16$). From another viewpoint the heterotic and type II superstring actions emerge as two different gauge-fixings of the same closed two-form. Comments are also made concerning the possibility of relating $\rho^\alpha$ to a Majorana-Weyl space-time spinor superpartner of $X^\mu$.

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