An Improved Dilaton Background in Soft-Wall Model

Details An Improved Dilaton Background in Soft-Wall Model An Improved Dilaton Background in Soft-Wall Model

2010-09-18

arxiv.org/abs/1009.3548v1

JHEP 1011:147,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 1 figure

Scientific paper

10.1007/JHEP11(2010)147

We adopted the form of v.e.v. of the bulk scalar field proposed by P.Zhang in this paper, and changed the dilaton background from $e^{-\kappa^2z^2}$ to $e^{-\kappa^2z^2+\alpha z}$ accordingly. The calculation shows that, as if we choose proper parameters, we can get a better result than both the present soft-wall models and the hard-wall model while keeping Regge behavior unchanged.

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