Particles, superparticles and twistors
Journal article, 1987

The covariant Green-Schwarz action for a superstring has never been quantized covariantly. The physics behind this is discussed. We then consider the corresponding point-particle action in four dimensions, and write down a master action from which it can be obtained as a gauge choice: the ‘‘space-time gauge.’’ There is also a ‘‘twistor gauge,’’ in which covariant quantization is straightforward (as noted previously by Shirafuji).


Anders K.H. Bengtsson

Ingemar Bengtsson

Martin Cederwall

Noah Linden

Phys. Rev. D36 (1987) 1766

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