Instantons and Emergent AdS_3 x S^3 Geometry
Heng-Yu Chen, David Tong
TL;DR
This paper demonstrates how worldsheet instantons in 2D N=(4,4) gauge theories lead to an emergent AdS_3 x S^3 geometry, revealing a deep connection between gauge theory instantons and string theory backgrounds.
Contribution
It introduces a D-brane construction approach to analyze instantons, showing their role in emergent spacetime geometry within superconformal field theories.
Findings
Instanton partition function indicates emergent AdS_3 x S^3 geometry.
D-brane perspective provides new insights into gauge/string duality.
Supports the idea of spacetime emergence from gauge theory instantons.
Abstract
Two dimensional N=(4,4) gauge theories flow to interacting superconformal field theories on their Higgs branch. We examine worldsheet instantons in these theories through the eyes of a D-brane construction. The effective instanton partition function is shown to reveal an emergent background AdS_3 x S^3 geometry.
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