Phys. Rev. D 70, 104006 (2004) [10 pages]Gravitational wave solutions in string and M-theory AdS backgroundsReceived 8 June 2004; published 5 November 2004 In this paper, we present several gravitational wave solutions in AdS5×S5 string backgrounds, as well as in AdS7×S4 and AdS4×S7 backgrounds in M theory, generalizing the results of Phys. Lett. B 594 368 (2004). In each case, we present the general form of such solutions and give explicit examples, preserving certain amount of supersymmetry, by taking limits on known Bogomol'nyi-Prasad-Sommerfield D3 and M2, M5-brane solutions in pp-wave backgrounds. A key feature of our examples is the possibility of a wider variety of wave profiles, than in pure gravity and string/M-theory examples known earlier, coming from the presence of various p-form field strengths appearing in the gravitational wave structure. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.70.104006
DOI:
10.1103/PhysRevD.70.104006
PACS:
04.30.Db, 04.20.Jb, 11.27.+d
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