Fine corrections in the effective string describing SU(2) Yang-Mills theory in three dimensions

被引:10
作者
Caristo, F. [1 ,2 ]
Caselle, M. [1 ,2 ,3 ]
Magnoli, N. [4 ,5 ]
Nada, A. [1 ,2 ]
Panero, M. [1 ,2 ,3 ]
Smecca, A. [1 ,2 ]
机构
[1] Univ Turin, Dept Phys, Via Pietro Giuria 1, I-10125 Turin, Italy
[2] Ist Nazl Fis Nucl, Via Pietro Giuria 1, I-10125 Turin, Italy
[3] Univ Turin, Arnold Regge Ctr, Via Pietro Giuria 1, I-10125 Turin, Italy
[4] Univ Genoa, Dept Phys, Via Dodecaneso 33, I-16146 Genoa, Italy
[5] Ist Nazl Fis Nucl, Via Dodecaneso 33, I-16146 Genoa, Italy
关键词
Bosonic Strings; Conformal Field Theory; Lattice Quantum Field Theory; Wilson; 't Hooft and Polyakov loops; SHORT-DISTANCE BEHAVIOR; MONTE-CARLO; FINITE-TEMPERATURE; ISING-MODEL; PERTURBATION-THEORY; GAUGE-THEORIES; CONFINEMENT; TRANSITION; EXPANSION; SYMMETRY;
D O I
10.1007/JHEP03(2022)115
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We present a study of the effective string that describes the infrared dynamics of SU(2) Yang-Mills theory in three dimensions. By combining high-precision lattice simulation results for Polyakov-loop correlators at finite temperatures close to (and less than) the deconfinement one with the analytical constraints from renormalization-group arguments, from the exact integrability of the two-dimensional Ising model that describes the universality class of the critical point of the theory, from conformal perturbation theory, and from Lorentz invariance, we derive tight quantitative bounds on the corrections to the effective string action beyond the Nambu-Goto approximation. We show that these corrections are compatible with the predictions derived from a bootstrap analysis of the effective string theory, and have a value which does not allow to prove the Axionic String Ansatz for this model.
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页数:31
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