Gluon Condensate, Wilson Loops and Gauge/String Duality

Abstract

We test gauge/string duality by evaluating expectation values of small Wilson loops in pure Yang-Mills theories. On the gauge-theory side, there exists rich phenomenology. The dual formulation provides with a universal language to evaluate the gluon condensate and quadratic correction in terms of the metric in the fifth coordinate. Quantitatively, the estimated value of the gluon condensate is approximately 0.010 GeV^4.

4 pages; v4: minor corrections

References in corpus (9)

• Large N Field Theories, String Theory and Gravity
• Linear Confinement and AdS/QCD
• Wilson Loops and Minimal Surfaces
• The Operator Product Expansion for Wilson Loops and Surfaces in the Large N Limit
• Heavy-Quark Potentials and AdS/QCD
• 1/q^2 Corrections and Gauge/String Duality
• Heavy quarkonia mass-splittings in QCD: test of the $1/m$-expansion and estimates of $<{\alpha }_s{G}^2>$ and ${\alpha }_s$
• Freezing of QCD coupling affects the short distance static potential
• A short distance quark-antiquark potential

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