Chern-Simons vector models and higher spins - Ginzburg ...
Chern-Simons vector models and higher spins - Ginzburg ...
Chern-Simons vector models and higher spins - Ginzburg ...
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Higher spin symmetry at large NWhat happens is that, at finite N, J s can (<strong>and</strong> does) combine with“multi-trace” operators. The non-conservation equation takes theschematic form∂ · J s ∼ f √ (λ) ∑∂ m J s1 ∂ n J s2 + g(λ) ∑∂ m J s1 ∂ n J s2 ∂ p J s3N NThe argument above implies that the HS currents do not haveanomalous dimensions in the planar limit. But one can in fact arguethat the scalar J 0 has protected dimension as well∆(J 0 ) = 2 + O( 1 N )which we have checked perturbatively to two-loop order.Simone Giombi (PI) <strong>Chern</strong>-<strong>Simons</strong> <strong>and</strong> <strong>higher</strong> <strong>spins</strong> Lebedev Inst., Jun 1 2012 20 / 24