Turbulent strings in AdS/CFT

Understand

We study nonlinear dynamics of the flux tube between an external quark-antiquark pair in $\mathcal{N}=4$ super Yang-Mills theory using the AdS/CFT duality.

• In the gravity side, the flux tube is realized by a fundamental string whose endpoints are attached to the AdS boundary.
• We perturb the endpoints in various ways and numerically compute the time evolution of the nonlinearly oscillating string.
• As a result, cusps can form on the string, accompanied by weak turbulence and power law behavior in the energy spectrum.