BRST properties of spin fields

Details BRST properties of spin fields BRST properties of spin fields

1995-03-29

arxiv.org/abs/hep-th/9503210v1

Nucl.Phys.B448:220-244,1995

Physics

High Energy Physics

High Energy Physics - Theory

24 pages, plain tex, no figures

Scientific paper

10.1016/0550-3213(95)00251-M

For the closed superstring, spin fields and bi-spinor states are defined directly in four spacetime dimensions. Explicit operator product expansions are given, including those for the internal superconformal field theory, which are consistent with locality and BRST invariance for the string vertices. The most general BRST picture changing for these fields is computed. A covariant notation for the spin decomposition of these states is developed in which non-vanishing polarizations are selected automatically. The kinematics of the three-gluon dual model amplitude in both the Neveu-Schwarz and Ramond sectors in the Lorentz gauges is calculated and contrasted. Modular invariance and enhanced gauge symmetry of four-dimensional models incorporating these states is described.

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