M-theory description of BPS string in 7-brane background

Details M-theory description of BPS string in 7-brane background M-theory description of BPS string in 7-brane background

1997-12-18

arxiv.org/abs/hep-th/9712180v2

Phys.Lett. B432 (1998) 305-309

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, two references added

Scientific paper

10.1016/S0370-2693(98)00686-8

We discuss the BPS configurations of IIB strings in the 7-brane background from M-theory viewpoint. We first obtain the hyperkahler geometry background of M-theory expected from the 7-brane solutions of the type IIB supergravity. We choose the appropriate complex structures of the background geometries and embed a membrane of M-theory holomorphically to obtain a BPS string configuration. The recently discussed BPS string configurations such as 3-string junctions and string networks in the flat background are generalized to the cases with the 7-brane backgrounds. The property of the BPS string configurations in the 7-brane backgrounds is in agreement with the previously known results from the IIB string viewpoint.

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