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Title: Stringy cosmic strings in matter coupled N = 2, d = 4 supergravity
Authors: Bergshoeff, Eric A., Hartong, Jelle, Hübscher, Mechthild, Ortín Miguel, Tomás
Keywords: p-branes
Extended supersymmetry
String theory and cosmic strings
Issue Date: 2008
Publisher: Institute of Physics Publishing
Springer
Abstract: We extend the system of ungauged N = 2, d = 4 supergravity coupled to vector multiplets and hypermultiplets with 2-form potentials. The maximal number of 2-form potentials that one may introduce is equal to the number of isometries of either the special Kähler or quaternionic Kähler sigma model. We show that the local supersymmetry algebra can be realized on the 2-form potentials. These 2-forms couple electrically to strings which we refer to as stringy cosmic strings. The 1/2 BPS bosonic world-sheet actions for these strings are constructed and we discuss the properties of the 1/2 BPS stringy cosmic string solutions.
Description: 34 páginas.-- El PDF es el artículo en su versión pre-print.-- arXiv: 0711.0857v2
Publisher version (URL): http://dx.doi.org/10.1088/1126-6708/2008/05/033
URI: http://hdl.handle.net/10261/37352
ISSN: 1029-8479
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Citation: Journal of High Energy Physics 05: 033 (2007)
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