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Bibliographic Details
Main Author: Berkovits, Nathan
Format: Preprint
Published: 2026
Subjects:
Online Access:https://arxiv.org/abs/2602.19985
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author Berkovits, Nathan
author_facet Berkovits, Nathan
contents A topological A-model constructed from supertwistor variables and a worldsheet U(1) gauge field was recently proposed to describe the $AdS_5\times S^5$ superstring at zero radius which is dual to free N=4 d=4 super-Yang-Mills. In this note, holomorphic worldsheet instanton solutions of the supertwistor variables are constructed where the U(1) worldsheet gauge field is identified with the square-root of the Strebel differential that describes the ribbon graph on the worldsheet.
format Preprint
id arxiv_https___arxiv_org_abs_2602_19985
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Instanton Solutions of the Topological A-model Dual to Free Super-Yang-Mills
Berkovits, Nathan
High Energy Physics - Theory
A topological A-model constructed from supertwistor variables and a worldsheet U(1) gauge field was recently proposed to describe the $AdS_5\times S^5$ superstring at zero radius which is dual to free N=4 d=4 super-Yang-Mills. In this note, holomorphic worldsheet instanton solutions of the supertwistor variables are constructed where the U(1) worldsheet gauge field is identified with the square-root of the Strebel differential that describes the ribbon graph on the worldsheet.
title Instanton Solutions of the Topological A-model Dual to Free Super-Yang-Mills
topic High Energy Physics - Theory
url https://arxiv.org/abs/2602.19985