Running gauge coupling and quark-antiquark potential from dilatonic gravity
Shin'ichi Nojiri, Sergei D. Odintsov
TL;DR
This paper computes the running gauge coupling and quark-antiquark potential using dilatonic gravity solutions, bridging UV AdS and IR flat space, and aligns with IIB supergravity results.
Contribution
It introduces a dilatonic gravity background that interpolates between AdS and flat space, enabling calculation of gauge coupling and potential in a unified framework.
Findings
Running coupling behavior matches IIB supergravity predictions.
Quark-antiquark potential derived from the dilatonic background.
The background supports a two-boundaries AdS/CFT correspondence.
Abstract
The running gauge coupling and quark-antiquark potential in d-dimensions are calculated from the explicit solution of d+1-dimensional dilatonic gravity. This background interpolates between usual AdS in UV and flat space with singular dilaton in IR and it realizes two-boundaries AdS/CFT correspondence. The behaviour of running coupling and potential is consistent with results following from IIB supergravity.
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