Partially Massless Spin-2 Fields in String Generated Models

Details Partially Massless Spin-2 Fields in String Generated Models Partially Massless Spin-2 Fields in String Generated Models

2003-06-18

arxiv.org/abs/hep-th/0306178v2

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, Dedicated to the memory of Ian Kogan (1958-2003). v2: references added

Scientific paper

In cosmological backgrounds, there can be 'partially massless' higher spin fields which have fewer degrees of freedom than their massive partners. The equations for the partially massless spin-2 fields are usually taken to be the linearized Einstein equations augmented with a 'tuned' Pauli-Fierz mass. Here, we add more powers of curvatures and show that for the string-generated Einstein-Gauss-Bonnet model, partially massless spin-2 fields have real mass in AdS, in contrast to the Einstein level result. We discuss the implication of this for the AdS/CFT applications and briefly study the C^4-corrected AdS_5 x S^5$ solution in type IIB SUGRA.

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