Improved heavy quark potential at finite temperature from anti-de Sitter supergravity

Abstract

We improve the heavy quark potential, extracted from the Wilson loop average in the Ads/CFT approach by taking the quantum fluctuation of the only radial coordinate of $Ad{s}_5$ which is transverse to the world-sheet of the classical Nambu-Goto string in the static gauge, and obtain the universal L{ü}scher-Symanzik-Weisz/L{ü}scher term.

v2. contains some changes and a reference added

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