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Title

Stringy cosmic strings in matter coupled N = 2, d = 4 supergravity

AuthorsBergshoeff, Eric A.; Hartong, Jelle ; Hübscher, Mechthild ; Ortín Miguel, Tomás
Keywordsp-branes
Extended supersymmetry
String theory and cosmic strings
Issue Date2008
PublisherInstitute of Physics Publishing
Springer
CitationJournal of High Energy Physics 05: 033 (2007)
AbstractWe 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.
Description34 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
URIhttp://hdl.handle.net/10261/37352
DOI10.1088/1126-6708/2008/05/033
ISSN1029-8479
Appears in Collections:(IFT) Artículos
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