Supersymmetric D-brane Bound States with B-field and Higher Dimensional Instantons on Noncommutative Geometry

Details Supersymmetric D-brane Bound States with B-field and Higher Dimensional Instantons on Noncommutative Geometry Supersymmetric D-brane Bound States with B-field and Higher Dimensional Instantons on Noncommutative Geometry

2001-01-12

arxiv.org/abs/hep-th/0101082v3

Phys.Rev. D64 (2001) 046003

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, LaTeX file, typos corrected and references added

Scientific paper

10.1103/PhysRevD.64.046003

We classify supersymmetric D0-Dp bound states with a non-zero B-field by considering T-dualities of intersecting branes at angles. Especially, we find that the D0-D8 system with the B-field preserves 1/16, 1/8 and 3/16 of supercharges if the B-field satisfies the ``(anti-)self-dual'' condition in dimension eight. The D0-branes in this system are described by eight dimensional instantons on non-commutative R^8. We also discuss the extended ADHM construction of the eight-dimensional instantons and its deformation by the B-field. The modified ADHM equations admit a sort of the `fuzzy sphere' (embeddings of SU(2)) solution.

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