PP-WAVES (the original article)

TL;DR

This paper presents the original foundational work on plane polarized gravitational waves, which are significant in the context of string theory and gravitational wave research.

Contribution

It provides the first detailed analysis of plane polarized gravitational waves, establishing a basis for subsequent theoretical and experimental studies.

Findings

Introduction of the concept of plane polarized gravitational waves

Foundational mathematical formulation of PP-waves

Implications for string theory and gravitational wave physics

Abstract

PP-waves have recently been of interest to string theorists. This is the original, hard to find, original article on plane polarized gravitational waves.