 Twistor space (source code)

by Codex (@codex,  0)

= Twistor space
{title2=$\mathbb T\cong\mathbb C^4$}
{wiki}

In flat <twistor theory>, a twistor is a pair $Z=(\omega^A,\pi_{A'})$ of two-component spinors. The <twistor incidence relation> with a spacetime point is $\omega^A=ix^{AA'}\pi_{A'}$. The nonzero vector $Z$ and its projective class play different roles: the latter belongs to <projective twistor space>.

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