Principal chiral model on superspheres

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Abstract

We investigate the spectrum of the principal chiral model (PCM) on odd-dimensional superspheres as a function of the curvature radius R. For volume-filling branes on S 3|2, we compute the exact boundary spectrum as a function of R. The extension to higher dimensional superspheres is discussed, but not carried out in detail. Our results provide very convincing evidence in favor of the strong-weak coupling duality between supersphere PCMs and OSP(2S + 2|2S) Gross-Neveu models that was recently conjectured by Candu and Saleur. © SISSA 2008.

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Mitev, V., Quella, T., & Schomerus, V. (2008). Principal chiral model on superspheres. Journal of High Energy Physics, 2008(11). https://doi.org/10.1088/1126-6708/2008/11/086

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