= Scattering Equations and KLT Orthogonality by Freddy Cachazo and others
{c}
{tag=Work by Freddy Cachazo}
{tag=Work by Song He}
{tag=Work by Ellis Ye Yuan}
{title2=2013}
{title2=arXiv:1306.6575}
https://arxiv.org/html/1306.6575v1
Original byline: Freddy Cachazo, Song He and Ellis Ye Yuan. Inspected section 2, equations 1–7, null external momenta and scattering equations; section 3, equations 8 and its projective gauge fixing. Section 6.2 relates the equations to high-energy string scattering.
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