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A Twistor is a pair of two-component Spinors - one transforming in the fundamental representation of SL(2,C), the other in the conjugate representation - which corresponds (via a "twistor correspondence") to a null line in Minkowski space. The space of such objects is called Twistor Space, and provides an important alternative description of many mathematical objects used in physics.

SupertwistorsEdit this section

A supertwistor is a twistor with some Grassmann Variables added. The space of supertwistors with $ \mathcal{N} $ Grassmann components is denoted $ CP^{3|\mathcal{N}} $. (e.g. see section 6.4 of [1])

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