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|a Hohm, Olaf
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|a Massachusetts Institute of Technology. Center for Theoretical Physics
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|a Massachusetts Institute of Technology. Department of Physics
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|a Zwiebach, Barton
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|a Hohm, Olaf
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|a Kwak, Seung Ki
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|a Kwak, Seung Ki
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|a Zwiebach, Barton
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|a Double field theory of type II strings
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|b Spring Berlin/Heidelberg,
|c 2012-06-04T17:35:55Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/71014
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|a We use double field theory to give a unified description of the low energy limits of type IIA and type IIB superstrings. The Ramond-Ramond potentials fit into spinor representations of the duality group O(D, D) and field-strengths are obtained by acting with the Dirac operator on the potentials. The action, supplemented by a Spin+ (D, D)-covariant self-duality condition on field strengths, reduces to the IIA and IIB theories in different frames. As usual, the NS-NS gravitational variables are described through the generalized metric. Our work suggests that the fundamental gravitational variable is a hermitian element of the group Spin(D, D) whose natural projection to O(D, D) gives the generalized metric.
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|a United States. Dept. of Energy (cooperative research agreement DE-FG02-05ER41360))
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|a Article
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|t Journal of High Energy Physics
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