A Note on Perturbative and Nonperturbative Instabilities of Twisted Circles

TL;DR

This paper compares the outcomes of tachyon condensation and nonperturbative brane nucleation in twisted circle spacetimes, highlighting their similarities and differences in endpoint behaviors.

Contribution

It provides a comparative analysis of perturbative and nonperturbative instabilities in twisted circle geometries, connecting tachyon condensation with brane nucleation processes.

Findings

Tachyon condensation leads to specific endpoint geometries.

Nonperturbative brane nucleation results in similar or related spacetime configurations.

The study clarifies the relationship between different instability mechanisms.

Abstract

In this short note we compare the endpoint of tachyon condensation of twisted circles with the endpoint of nonpertubative brane nucleation in the Kaluza-Klein Melvin spacetime.