Massive Supergravity and Deconstruction

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We present a simple superfield Lagrangian for massive supergravity. It comprises the minimal supergravity Lagrangian with interactions as well as mass terms for the metric superfield and the chiral compensator. This is the natural generalization of the Fierz-Pauli Lagrangian for massive gravity which comprises mass terms for the metric and its trace. We show that the on-shell bosonic and fermionic fields are degenerate and have the appropriate spins: 2, 3/2, 3/2 and 1. We then study this interacting Lagrangian using goldstone superfields. We find that achiral multiplet of goldstones gets a kinetic term through mixing, just as the scalar goldstone ... continued below

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Gregoire, Thomas; Schwartz, Matthew D. & Shadmi, Yael March 23, 2004.

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We present a simple superfield Lagrangian for massive supergravity. It comprises the minimal supergravity Lagrangian with interactions as well as mass terms for the metric superfield and the chiral compensator. This is the natural generalization of the Fierz-Pauli Lagrangian for massive gravity which comprises mass terms for the metric and its trace. We show that the on-shell bosonic and fermionic fields are degenerate and have the appropriate spins: 2, 3/2, 3/2 and 1. We then study this interacting Lagrangian using goldstone superfields. We find that achiral multiplet of goldstones gets a kinetic term through mixing, just as the scalar goldstone does in the non-supersymmetric case. This produces Planck scale (Mpl) interactions with matter and all the discontinuities and unitarity bounds associated with massive gravity. In particular, the scale of strong coupling is (Mpl m^4)^1/5, where m is the multiplet's mass. Next, we consider applications of massive supergravity to deconstruction. We estimate various quantum effects which generate non-local operators in theory space. As an example, we show that the single massive supergravity multiplet in a 2-site model can serve the function of an extra dimension in anomaly mediation.

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  • Journal Name: Journal of High Energy Physics; Related Information: Journal Publication Date: 24 August 2004

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  • Report No.: LBNL-54759
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.1088/1126-6708/2004/07/029 | External Link
  • Office of Scientific & Technical Information Report Number: 964664
  • Archival Resource Key: ark:/67531/metadc929808

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Office of Scientific & Technical Information Technical Reports

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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • March 23, 2004

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  • Nov. 13, 2016, 7:26 p.m.

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  • Nov. 18, 2016, 4:20 p.m.

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Gregoire, Thomas; Schwartz, Matthew D. & Shadmi, Yael. Massive Supergravity and Deconstruction, article, March 23, 2004; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc929808/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.