Spectra of sigma models on semi-symmetric spaces

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...

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Main Authors:	Alessandra Cagnazzo, Volker Schomerus, Vaclav Tlapak
Format:	Article
Language:	English
Published:	Elsevier 2016-05-01
Series:	Nuclear Physics B
Online Access:	http://www.sciencedirect.com/science/article/pii/S0550321316000924

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spelling	doaj-cde9992353ac41be97761e3c928e11202020-11-24T21:05:33ZengElsevierNuclear Physics B0550-32131873-15622016-05-01906C34236610.1016/j.nuclphysb.2016.03.010Spectra of sigma models on semi-symmetric spacesAlessandra Cagnazzo0Volker Schomerus1Vaclav Tlapak2DESY Hamburg, Theory Group, Notkestrasse 85, D-22607 Hamburg, GermanyDESY Hamburg, Theory Group, Notkestrasse 85, D-22607 Hamburg, GermanyDESY Hamburg, Theory Group, Notkestrasse 85, D-22607 Hamburg, GermanySigma 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.http://www.sciencedirect.com/science/article/pii/S0550321316000924
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Alessandra Cagnazzo Volker Schomerus Vaclav Tlapak
spellingShingle	Alessandra Cagnazzo Volker Schomerus Vaclav Tlapak Spectra of sigma models on semi-symmetric spaces Nuclear Physics B
author_facet	Alessandra Cagnazzo Volker Schomerus Vaclav Tlapak
author_sort	Alessandra Cagnazzo
title	Spectra of sigma models on semi-symmetric spaces
title_short	Spectra of sigma models on semi-symmetric spaces
title_full	Spectra of sigma models on semi-symmetric spaces
title_fullStr	Spectra of sigma models on semi-symmetric spaces
title_full_unstemmed	Spectra of sigma models on semi-symmetric spaces
title_sort	spectra of sigma models on semi-symmetric spaces
publisher	Elsevier
series	Nuclear Physics B
issn	0550-3213 1873-1562
publishDate	2016-05-01
description	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.
url	http://www.sciencedirect.com/science/article/pii/S0550321316000924
work_keys_str_mv	AT alessandracagnazzo spectraofsigmamodelsonsemisymmetricspaces AT volkerschomerus spectraofsigmamodelsonsemisymmetricspaces AT vaclavtlapak spectraofsigmamodelsonsemisymmetricspaces
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Spectra of sigma models on semi-symmetric spaces

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