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Zhang, Hongsheng; Zhang, Yi; Li, Xin-Zhou

Higgs inflation on braneworld. (English) Zbl 1284.83220

Mod. Phys. Lett. A 29, No. 8, Article ID 1450039, 14 p. (2014).
Summary: We discuss a Higgs inflation model in the warped DGP braneworld background. It generates reasonable primordial perturbations. At the same time, with enhanced nonminimal coupling, it overcomes the severe problem in the Higgs inflation in four dimensions, which says that the effective field theory becomes invalid at an energy scale far below the energy scale for inflation exit. Furthermore, we present the constraints for the parameters confronted to PLANCK and related observations. PLANCK low-l data almost fixes the inflation energy scale in this Higgs inflation model with specific brane parameters.

MSC:

83F05 Relativistic cosmology
81T30 String and superstring theories; other extended objects (e.g., branes) in quantum field theory
81V22 Unified quantum theories

Keywords:

Higgs; braneworld; inflation
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