Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-06-24
Phys.Rev.D79:075019,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, 1 figure (vs2 contains an improved dilaton-gravity solution which generates trajectories of approximately universal s
Scientific paper
10.1103/PhysRevD.79.075019
We construct a new solution of five-dimensional gravity coupled to a dilaton which encodes essential features of holographic QCD backgrounds dynamically. In particular, it implements linear confinement, i.e. the area law behavior of the Wilson loop, by means of a dynamically deformed anti-de Sitter metric. The predicted square masses of the light-flavored natural-parity mesons and their excitations lie on linear trajectories of approximately universal slope with respect to both radial and spin quantum numbers and are in satisfactory agreement with experimental data.
Beyer Michael
Forkel Hilmar
Frederico Tobias
Paula Wayne de
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