Abstract
This study reconsidered the \( \mathcal{N} \) = 1 supersymmetric extension of the W 3 algebra which was studied previously. This extension consists of seven higher spin supercurrents (fourteen higher spin currents in the components) as well as the \( \mathcal{N} \) = 1 stress energy tensor of spins \( \left( {\frac{3}{2},2} \right) \). Thus far, the complete expressions for the higher spin currents have not been derived.
This paper constructs them explicitly in both the c = 4 eight free fermion model and the supersymmetric coset model based on \( \left( {A_2^{(1)}\oplus A_2^{(1) },A_2^{(1) }} \right) \) at level (3, k). By acting with the above \( \mathrm{spin}\hbox{-}\frac{3}{2} \) current on the higher spin-3 Casimir current, its fermionic partner, the higher \( \mathrm{spin}\hbox{-}\frac{5}{2} \) current, can be generated and combined as a first higher spin supercurrent with spins \( \left( {\frac{5}{2},3} \right) \). By calculating the operator product expansions (OPE) between the higher spin supercurrent and itself, the next two higher spin supercurrents can be generated with spins \( \left( {\frac{7}{2},4} \right) \) and \( \left( {4,\frac{9}{2}} \right) \). Moreover, the other two higher spin supercurrents with spins \( \left( {4,\frac{9}{2}} \right) \) and \( \left( {\frac{9}{2},5} \right) \) can be generated by calculating the OPE between the first higher spin supercurrent with spins \( \left( {\frac{5}{2},3} \right) \) and the second higher spin supercurrent with spins \( \left( {\frac{7}{2},4} \right) \). Finally, the higher spin supercurrents, \( \left( {\frac{11 }{2},6} \right) \) and \( \left( {6,\frac{13 }{2}} \right) \), can be extracted from the right hand side of the OPE between the higher spin supercurrents, \( \left( {\frac{5}{2},3} \right) \) and \( \left( {4,\frac{9}{2}} \right) \).
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ArXiv ePrint: 1211.2589
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Ahn, C. Higher spin currents in the \( \mathcal{N} \) = 1 stringy coset minimal model. J. High Energ. Phys. 2013, 33 (2013). https://doi.org/10.1007/JHEP04(2013)033
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DOI: https://doi.org/10.1007/JHEP04(2013)033