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BPS Bound States Of D0-D6 And D0-D8 Systems In A B-Field | | Edward Witten
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7 Dec 2000 | | Journal: | JHEP 0204 (2002) 012 | | Subject: | hep-th | | Abstract: | The D0-D6 system, which is not supersymmetric in the absence of a Neveu-Schwarz B-field, becomes supersymmetric if a suitable constant B-field is turned on. On one side of the supersymmetric locus, this system has a BPS bound state, and on the other side it does not. After compactification on T^6, this gives a simple example in which the number of 1/8 BPS states jumps as the moduli of the compactification are changed. The D0-D8 system in a B-field has two different supersymmetric loci, only one of which is continuously connected to the familiar supersymmetric D0-D8 system without a B-field. In a certain range, the D0-D8 system also has a BPS bound state. In the limit in which the B-field goes to infinity, supersymmetric D0-D6 and D0-D8 systems and their bound states can be studied using noncommutative Yang-Mills theory. | | Source: | arXiv, hep-th/0012054 | | Services: | Forum | Review | PDF | Favorites | |
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