Strings from IIB Matrices

TL;DR

This paper constructs D-string actions from IIB matrices emphasizing the importance of spacetime commutators, suggesting a fundamental role for spacetime uncertainty in string theory, and discusses vertex operators for fundamental strings.

Contribution

It introduces a novel approach to derive D-string actions from IIB matrices using spacetime commutators, highlighting the significance of spacetime uncertainty relations.

Findings

Spacetime commutators are crucial in constructing D-string actions.

The approach suggests a unified framework for strings based on spacetime uncertainty.

Vertex operators for fundamental strings are analyzed within this matrix model.

Abstract

D-string action is constructed from IIB matrices, a spacetime commutator is essential in this construction. This hints at the central role of the spacetime uncertainty relation in a unified formulation of strings. Vertex operators of fundamental strings are also discussed.