Abstract
In this paper we study half-supersymmetric (D6, D8) bound state brane configuration of massive type IIA supergravity. We show this bound state can also be generated by using massive T-duality rules of type II strings in D=9 and starting from D7-branes. We write down corresponding Killing spinors and find that these backgrounds indeed preserve 16 supersymmetries like any other D p-brane bound state with B μν field. We also make a point on the massive nature of B μν field in this background. The Seiberg–Witten limits to obtain non-commutative Yang–Mills theories in D=9 are also discussed, but the full understanding of such gauge theories remains unanswered.
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