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Spectra of sigma models on semi-symmetric spaces
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. DESY Hamburg, Germany.
2016 (English)In: Nuclear Physics B, ISSN 0550-3213, E-ISSN 1873-1562, Vol. 906, 342-366 p.Article in journal (Refereed) PublishedText
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
Elsevier, 2016. Vol. 906, 342-366 p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-186977DOI: 10.1016/j.nuclphysb.2016.03.010ISI: 000375167300015ScopusID: 2-s2.0-84962529398OAI: oai:DiVA.org:kth-186977DiVA: diva2:928821
Note

QC 20160516

Available from: 2016-05-16 Created: 2016-05-16 Last updated: 2016-05-30Bibliographically approved

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Cagnazzo, Alessandra
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Nordic Institute for Theoretical Physics NORDITA
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