Open Strings in PP-Wave Background from Defect Conformal Field Theory

TL;DR

This paper explores the duality between open strings ending on a D5-brane in a pp-wave background and defect conformal field theory operators, providing a detailed correspondence in a specific string theory setting.

Contribution

It constructs a complete list of gauge invariant operators in the defect CFT dual to open string states in the pp-wave background with a D5-brane.

Findings

Identification of gauge invariant operators corresponding to open string states

Explicit duality map between open strings and defect CFT operators

Enhanced understanding of D-brane dynamics in pp-wave backgrounds

Abstract

We consider open strings ending on a D5-brane in the pp-wave background, which is realized in the Penrose limit of $AdS_5 \times S^5$ with an $AdS_4\times S^2$ brane. A complete list of gauge invariant operators in the defect conformal field theory is constructed which is dual to the open string states.