String dynamics in NS5-F1-P geometries
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Publication:1797278
DOI10.1007/JHEP09(2018)031zbMATH Open1398.81219arXiv1803.08505WikidataQ129324398 ScholiaQ129324398MaRDI QIDQ1797278
Author name not available (Why is that?)
Publication date: 19 October 2018
Published in: (Search for Journal in Brave)
Abstract: String theory dynamics on certain fivebrane supertube backgrounds is described by an exactly solvable null-gauged WZW model. We use this description to compute the spectrum of closed string excitations on the three-charge non-supersymmetric solution found by Jejjala, Madden, Ross and Titchener, as well as its supersymmetric limit. The low-lying spectrum matches that of supergravity modes in the effective geometry and exhibits an underlying group-theoretic structure. Winding sectors describe strings carrying the same charges as the background; processes whereby strings turn into flux or vice-versa are mediated by large gauge transformations on the worldsheet. The S-matrix of such wound strings probes microstructure of the fivebrane source that is hidden in the supergravity approximation.
Full work available at URL: https://arxiv.org/abs/1803.08505
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