Abstract
We study rectangular timelike Wilson loops at long distances in the exact renormalization group flow in the context of the holographic duality. We consider the five-dimensional holographic model with an exponential dilaton potential. To probe the renormalization group flow backgrounds at zero and finite temperatures, we calculate the minimum surfaces of the corresponding string worldsheets. We show that a holographic renormalization group flow at T = 0 mimicking the QCD behavior of the running coupling has a confining phase at long distances, while the renormalization group flow with an anti-de Sitter ultraviolet fixed point is nonconfining.
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Acknowledgments
The authors thank I. Ya. Aref’eva, G. Policastro, K. Rannu, and P. Slepov for the helpful discussions and comments.
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The research of A. A. Golubtsova is supported by the Russian Foundation for Basic Research (Research Project No. 18-02-40069 mega).
Prepared from an English manuscript submitted by the authors; for the Russian version, see Teoreticheskaya i Matematicheskaya Fizika, Vol. 202, No. 2, pp. 243–263, February, 2020.
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The authors declare no conflicts of interest.
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Golubtsova, A.A., Nguyen, V.H. Wilson Loops in Exact Holographic RG Flows at Zero and Finite Temperatures. Theor Math Phys 202, 214–230 (2020). https://doi.org/10.1134/S0040577920020051
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DOI: https://doi.org/10.1134/S0040577920020051