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String dynamics in NS5-F1-P geometries

String dynamics in NS5-F1-P geometries
String dynamics in NS5-F1-P geometries

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.

AdS-CFT Correspondence, Black Holes, Black Holes in String Theory, Long strings
1126-6708
1-49
Martinec, Emil J.
650e0325-0c1c-4177-9475-4eaaf978cca8
Massai, Stefano
1ea199a1-6815-405e-a9f0-efadbbc15f48
Turton, David
6ce84b30-3cc0-42aa-ace5-f298d4260e9b
Martinec, Emil J.
650e0325-0c1c-4177-9475-4eaaf978cca8
Massai, Stefano
1ea199a1-6815-405e-a9f0-efadbbc15f48
Turton, David
6ce84b30-3cc0-42aa-ace5-f298d4260e9b

Martinec, Emil J., Massai, Stefano and Turton, David (2018) String dynamics in NS5-F1-P geometries. Journal of High Energy Physics, 2018 (9), 1-49, [31]. (doi:10.1007/JHEP09(2018)031).

Record type: Article

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.

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Martinec2018_Article_StringDynamicsInNS5-F1-PGeomet - Accepted Manuscript
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Accepted/In Press date: 30 August 2018
e-pub ahead of print date: 6 September 2018
Published date: September 2018
Keywords: AdS-CFT Correspondence, Black Holes, Black Holes in String Theory, Long strings

Identifiers

Local EPrints ID: 423128
URI: http://eprints.soton.ac.uk/id/eprint/423128
ISSN: 1126-6708
PURE UUID: 233cda9e-44e5-4b51-bf5f-afbb65d94f89
ORCID for David Turton: ORCID iD orcid.org/0000-0002-9902-2116

Catalogue record

Date deposited: 19 Sep 2018 11:04
Last modified: 15 Feb 2020 01:40

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