TL;DR
This paper explores the holographic dual of 1/2 BPS Wilson loops in N=4 super Yang-Mills theory using global AdS coordinates, analyzing string configurations, correlators, and phase transitions.
Contribution
It provides a global AdS perspective on the dual string worldsheets and phase transitions of Wilson loops, extending previous local coordinate analyses.
Findings
Dual string worldsheet is a Poincare disk in AdS_2 at constant global time.
Analyzes correlator of concentric Wilson loops from global AdS.
Identifies phase transition related to annulus worldsheet instability.
Abstract
We study the holographic dual string configuration of 1/2 BPS circular Wilson loops in N=4 super Yang-Mills theory by using the global coordinate of AdS. The dual string worldsheet is given by the Poincare disk AdS_2 sitting at a constant global time slice of AdS_5. We also analyze the correlator of two concentric circular Wilson loops from the global AdS perspective and study the phase transition associated with the instability of annulus worldsheet connecting the two Wilson loops.
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