Asymptotic Freedom and Confinement from Type 0 String Theory

Details Asymptotic Freedom and Confinement from Type 0 String Theory Asymptotic Freedom and Confinement from Type 0 String Theory

1999-02-10

arxiv.org/abs/hep-th/9902074v3

JHEP 9904:007,1999

Physics

High Energy Physics

High Energy Physics - Theory

25 pages; harvmac (b); v2 ref. added, typos corrected;v3 minor change to sec. 3, more sol'ns considered in sec.4, revised WKB

Scientific paper

10.1088/1126-6708/1999/04/007

We argue that there are generic solutions to the type 0 gravity equations of motion that are confining in the infrared and have log scaling in the ultraviolet. The background curvature generically diverges in the IR. Nevertheless, there exist solutions where higher order string corrections appear to be exponentially suppressed in the IR with respect to the leading type 0 gravity terms. For these solutions the tachyon flows to a fixed value. We show that the generic solutions lead to a long range linear quark potential, magnetic screening and a discrete glueball spectrum. We also estimate some WKB glueball mass ratios and compare them to ratios found using finite temperature models and lattice computations.

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