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Pure de Sitter supergravity

Author(s)
Bergshoeff, Eric A.; Freedman, Daniel Z.; Kallosh, Renata; Van Proeyen, Antoine
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Abstract
Using superconformal methods we derive an explicit de Sitter supergravity action invariant under spontaneously broken local N = 1 supersymmetry. The supergravity multiplet interacts with a nilpotent Goldstino multiplet. We present a complete locally supersymmetric action including the graviton and the fermionic fields, gravitino and Goldstino, no scalars. In the global limit when the supergravity multiplet decouples, our action reproduces the Volkov-Akulov theory. In the unitary gauge where the Goldstino vanishes we recover pure supergravity with the positive cosmological constant. The classical equations of motion, with all fermions vanishing, have a maximally symmetric solution: de Sitter space.
Date issued
2015-10
URI
http://hdl.handle.net/1721.1/99486
Department
Massachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Department of Mathematics
Journal
Physical Review D
Publisher
American Physical Society
Citation
Bergshoeff, Eric A., Daniel Z. Freedman, Renata Kallosh, and Antonie Van Proeyen. "Pure de Sitter supergravity." Phys. Rev. D 92, 085040 (October 2015). © 2015 American Physical Society
Version: Final published version
ISSN
1550-7998
1550-2368

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