Two-Point Functions of Chiral Fields at One Loop in Type II

TL;DR

This paper calculates one-loop two-point functions for chiral matter in Type II string models, introducing techniques for Moebius strip diagrams with instanton effects, advancing the understanding of string interactions.

Contribution

It presents new methods for computing two-point functions in intersecting D-brane models, including instanton contributions to Moebius strip diagrams.

Findings

Explicit formulas for two-point functions of chiral fields.

Inclusion of worldsheet instanton effects in calculations.

Enhanced techniques for string amplitude computations.

Abstract

We compute the two-point functions for chiral matter states in toroidal intersecting D6-brane models. In particular, we provide the techniques to calculate Moebius strip diagrams including the worldsheet instanton contribution.