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Spectra of sigma models on semi-symmetric spaces
Stockholm University, Nordic Institute for Theoretical Physics (Nordita). DESY Hamburg, Germany.
Number of Authors: 3
2016 (English)In: Nuclear Physics B, ISSN 0550-3213, E-ISSN 1873-1562, Vol. 906, 342-366 p.Article in journal (Refereed) Published
Abstract [en]

Sigma models on semi-symmetric spaces provide the central building block for string theories on AdS backgrounds. Under certain conditions on the global supersymmetry group they can be made one-loop conformal by adding an appropriate fermionic Wess-Zumino term. We determine the full one-loop dilation operator of the theory. It involves an interesting new XXZ-like interaction term. Eigenvalues of our dilation operator, i.e. the one-loop anomalous dimensions, are computed for a few examples.

Place, publisher, year, edition, pages
2016. Vol. 906, 342-366 p.
National Category
Physical Sciences
URN: urn:nbn:se:su:diva-130859DOI: 10.1016/j.nuclphysb.2016.03.010ISI: 000375167300015OAI: diva2:934714
Available from: 2016-06-09 Created: 2016-06-07 Last updated: 2016-06-09Bibliographically approved

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Cagnazzo, Alessandra
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Nordic Institute for Theoretical Physics (Nordita)
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