(Super)twistors and (super)strings
D.V. Uvarov
TL;DR
This paper reformulates the D=4 bosonic string and superstring theories using (super)twistors, deriving their equations of motion, kappa-symmetry transformations, and showing gauge fixing leads to a quadratic action in twistor variables.
Contribution
It introduces a (super)twistor-based Lagrangian formulation for D=4 strings and superstrings, providing new insights into their symmetries and gauge fixing.
Findings
Derived (super)twistor equations of motion
Presented kappa-symmetry transformations for supertwistors
Showed gauge fixing yields quadratic twistor actions
Abstract
The Lagrangian formulation of the D=4 bosonic string and superstring in terms of the (super)twistors is considered. The (super)twistor form of the equations of motion is derived and the kappa-symmetry transformation for the supertwistors is given. It is shown that the covariant kappa-symmetry gauge fixation results in the action quadratic in the (super)twistor variables.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Particle physics theoretical and experimental studies · Cosmology and Gravitation Theories