Picture-Changing operators and Space-Time supersymmetry

Details Picture-Changing operators and Space-Time supersymmetry Picture-Changing operators and Space-Time supersymmetry

1995-02-20

arxiv.org/abs/hep-th/9502124v1

Nucl.Phys. B449 (1995) 159-182

Physics

High Energy Physics

High Energy Physics - Theory

24 pages

Scientific paper

10.1016/0550-3213(95)00217-G

We explore geometrical properties of fermionic vertex operators for a NSR superstring in order to establish connection between worldsheet and target space supersymmetries. The mechanism of picture-changing is obtained as a result of imposing certain constraints on a world-sheet gauge group of the NSR theory. It is found that picture-changing operators of various integer ghost numbers form a polynomial ring. By using properties of the picture-changing formalism we establish connection between the NSR and GS superstring theories. We explore the properties of the $\kappa$-symmetry in the NSR formalism and show that it leads to some new identities between correlation functions.

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