Duality-invariant superstring actions
- Institute of Physics, Bhubaneswar-751005 (India)
The world sheet supersymmetric string action is written in duality-invariant form for flat as well as curved backgrounds. First the action in flat backgrounds is written by introducing auxiliary fields. We also give the superfield form of these actions and obtain the off-shell supersymmetry algebra. The action has a modified Lorentz invariance and supersymmetry and reduces to the usual form when the auxiliary fields are eliminated using their equations of motion. The superstring action coupled to world sheet supergravity is also written in duality-invariant form. Also the supersymmetric nonlinear {sigma} model in curved backgrounds is written in manifestly duality-invariant form when the background metric and torsion fields are independent of some of the coordinates.
- OSTI ID:
- 90563
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 4 Vol. 52; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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