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2012

Spinor helicity structures in higher spin theories

Ananth, Sudarshan

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It is shown that the coefficient of the cubic interaction vertex, in higher spin Lagrangians, has a very simple form when written in terms of spinor helicity products.

The result for a higher-spin field, of spin $\lambda$, is equal to the corresponding Yang-Mills coefficient raised to the power $\lambda$.
Among other things, this suggests perturbative ties, similar to the KLT relations, between higher spin theories and pure Yang-Mills.
This result is obtained in four-dimensional flat spacetime.

Spinor helicity structures in higher spin theories · Around

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