Comments on I1-branes | Zendy

Ling-Yan Hung | Zendy

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Comments on I1-branes

Author(s) -

Ling-Yan Hung

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/05/076

Subject(s) - physics , supergravity , brane cosmology , brane , theoretical physics , symmetry (geometry) , limit (mathematics) , string (physics) , intersection (aeronautics) , string theory , m theory , mathematical physics , lorentz transformation , supersymmetry , quantum electrodynamics , quantum mechanics , geometry , mathematical analysis , mathematics , engineering , aerospace engineering

We explore the supergravity solution of D5-branes intersecting as anI1-brane. In a suitable near-horizon limit the geometry is in qualitativeagreement with that found in the microscopic open-string analysis as well asthe NS5-brane analysis of Itzhaki, Kutasov and Seiberg. In particular, theISO(1,1) Lorentz symmetry of the intersection domain is enhanced to ISO(1,2).The discussion is generalised to the T-dual configuration of a D4-braneintersecting a D6-brane. In this case the ISO(1,1) symmetry is not enhanced.This is true both in the supergravity approximation to the weakly coupledstring theory and to the M-theory limit.Comment: 9 pages. Added comments about the near horizon limit take

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