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Gravitational Waves in String theory in Anti-de Sitter Background | | Alok Kumar
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25 Mar 2004 | | Journal: | Phys.Lett. B594 (2004) 368-374 DOI: 10.1016/j.physletb.2004.05.036 | | Subject: | hep-th gr-qc | | Abstract: | Inspired by the studies of gravitational waves in anti-de Sitter universe, in general relativity, in this paper we investigate the possibility of similar solutions in IIB string theory on $AdS_3 x S^3 x R^4$. We give a general form for such solutions in this background and present several explicit examples, by directly solving the field equations, as well as the ones obtained by taking a scaling limit on D1-D5 brane systems in a pp-wave background. The form of the metric in our solutions corresponds to a gravitational wave in $AdS_3$. We show the supersymmetric nature of these solutions and discuss the possibility of their generalizations to other anti-de Sitter backgrounds, including the ones in four dimensions. | | Source: | arXiv, hep-th/0403253 | | Services: | Forum | Review | PDF | Favorites | |
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