Abelian instantons over the Chen-Teo AF geometry

JOURNAL OF GEOMETRY AND PHYSICS

卷:168

Article

关键词: L2 harmonic forms;    Ricci-flat metrics;    Instantons;   

DOI  :  10.1016/j.geomphys.2021.104310

来源: Elsevier

【 摘 要 】

We classify finite energy harmonic 2-forms on the asymptotically flat gravitational instanton constructed by Chen and Teo. We prove that every U(1)-bundle admits a unique anti-self-dual Yang-Mills instanton (up to gauge equivalence) which we describe explicitly in coordinates. As an application, we compute the classical contribution to partition function for Maxwell theory with theta term. (C) 2021 Elsevier B.V. All rights reserved.

【 授权许可】

Free