D-instanton, threshold corrections, and topological string

Manki Kim

doi:10.1007/JHEP05(2023)097

2023-05-12

Manki Kim *

DOI：10.1007/JHEP05(2023)097

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摘要

En 中文

In this note, we prove that the one-loop pfaffian of the non-perturbative superpotential generated by Euclidean D-branes in type II compactifications on orientifolds of Calabi-Yau threefolds is determined by the moduli integral of the new supersymmetric index defined by Cecotti, Fendley, Intriligator, and Vafa. As this quantity can be computed via topological string theory, Chern-Simons theory, matrix models, or by solving the holomorphic anomaly equation, this result provides a method to directly compute the one-loop pfaffian of the non-perturbative superpotential. The relation between the one-loop pfaffian, threshold corrections to the gauge coupling, and the one-loop partition function of open topological string theory is discussed.

Keyword:

D-Branes

String and Brane Phenomenology

Superstring Vacua

期刊

Journal of High Energy Physics

IF:

5.5

论文数:

4.0W

被引数:

13.7W

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