Abstract
In the \( \mathcal{N} \) = 1 supersymmetric coset model based on \( \left( {A_{N-1}^{(1)}\oplus A_{N-1}^{(1) },A_{N-1}^{(1) }} \right) \) at level (k, N), the lowest \( \mathcal{N} \) = 1 higher spin supercurrent with \( \mathrm{spins}-\left( {\frac{5}{2},3} \right) \), in terms of two independent numerator WZW currents, is reviewed. By calculating the operator product expansions (OPE) between this \( \mathcal{N} \) = 1 higher spin supercurrent and itself, the next two \( \mathcal{N} \) =1 higher spin supercurrents can be generated with \( \mathrm{spins}-\left( {\frac{7}{2},4} \right) \) and \( \left( {4,\frac{9}{2}} \right) \). These four currents are polynomials of degree 3, 4, 4, 4 in the first numerator WZW currents with level k. The complete nonlinear OPE of the lowest \( \mathcal{N} \) = 1 higher spin supercurrent for general N is obtained. The three-point functions involving two scalar primaries with one spin-2 current or spin-3 current are calculated in the large N limit for all values of the ’t Hooft coupling. In particular, the light states that appeared in the case when the second level was fixed by 1 are no longer light ones because the eigenvalues are finite in the large N limit.
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Ahn, C. Higher spin currents with arbitrary N in the \( \mathcal{N} \) = 1 stringy coset minimal model. J. High Energ. Phys. 2013, 141 (2013). https://doi.org/10.1007/JHEP07(2013)141
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DOI: https://doi.org/10.1007/JHEP07(2013)141