2019
DOI: 10.1007/jhep07(2019)083
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Open exceptional strings and D-branes

Abstract: We study D-branes in the extended geometry appearing in exceptional field theory (or exceptional generalised geometry). Starting from the exceptional sigma model (an E d(d) covariant worldsheet action with extra target space coordinates), we define open string boundary conditions. We write down Neumann and Dirichlet projectors compatible with the preservation of half-maximal supersymmetry by the brane (building on previous work on the definition of generalised orientifold quotients in exceptional field theory… Show more

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Cited by 11 publications
(8 citation statements)
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References 97 publications
(288 reference statements)
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“…On the other hand, when isometries are present we can view the resulting brane action as describing the E d(d) multiplet of p-branes in n-dimensions obtained by wrapping the 10-or 11-dimensional brane spectrum on a torus. Elements of the above discussion are present in the approaches of [65,[194][195][196][197][198][199][200][201][202][203][204][205] describing branes in (various versions of) exceptional geometry. For example, consider the "exceptional string" of [65,201], for SL (5) where the ExFT two-form is B µνM .…”
Section: Worldvolume Actionsmentioning
confidence: 99%
“…On the other hand, when isometries are present we can view the resulting brane action as describing the E d(d) multiplet of p-branes in n-dimensions obtained by wrapping the 10-or 11-dimensional brane spectrum on a torus. Elements of the above discussion are present in the approaches of [65,[194][195][196][197][198][199][200][201][202][203][204][205] describing branes in (various versions of) exceptional geometry. For example, consider the "exceptional string" of [65,201], for SL (5) where the ExFT two-form is B µνM .…”
Section: Worldvolume Actionsmentioning
confidence: 99%
“…Another approaches developing a T-duality covariant description of Dp-branes from different perspectives present in the literature. In the works [36,37,43,44] boundary conditions are defined for a T(U)-duality covariant open string which on the one hand allows to calculate beta-function for (constant) background fields in the covariant formalism, and one the other hand to define Dp-branes as particular subspaces in the generalized doubled (exceptional) space. Along these line in the work [45] Dp-branes have been shown to correspond to Dirac structures on the subspace.…”
Section: Relation To Other Approachesmentioning
confidence: 99%
“…Another approaches developing a T-duality covariant description of Dp-branes from different perspectives present in the literature. In the works [2,3,19,34] boundary conditions are defined for a T(U)-duality covariant open string which on the one hand allows to calculate beta-function for (constant) background fields in the covariant formalism, and one the other hand to define Dp-branes as particular subspaces in the generalized doubled (exceptional) space. Along these line in the work [6] Dp-branes have been shown to correspond to Dirac structures on the subspace.…”
Section: Relation To Other Approachesmentioning
confidence: 99%