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- Cagnazzo, AlessandraStockholms universitet,KTH,Nordic Institute for Theoretical Physics NORDITA,DESY Hamburg, Germany,Nordiska institutet för teoretisk fysik (Nordita) (author)
Spectra of sigma models on semi-symmetric spaces
- Article/chapterEnglish2016
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- Elsevier,2016
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- LIBRIS-ID:oai:DiVA.org:kth-186977
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-186977URI
- https://doi.org/10.1016/j.nuclphysb.2016.03.010DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-130859URI
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- Language:English
- Summary in:English
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- QC 20160516
- 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.
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- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
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- Schomerus, V. (author)
- Tlapak, V. (author)
- KTHNordic Institute for Theoretical Physics NORDITA (creator_code:org_t)
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- In:Nuclear Physics B: Elsevier906, s. 342-3660550-32131873-1562
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