Tachyon Kinks on Unstable Dp-branes

TL;DR

This paper explores stable tachyon kink solutions on unstable Dp-branes within an effective field theory framework, revealing configurations that resemble lower-dimensional branes with specific tension and charge properties.

Contribution

It provides a comprehensive classification of singularity-free static tachyon kink solutions and identifies their brane interpretations based on tension and charge calculations.

Findings

Kink solutions correspond to D(p-1) or D(p-1)F1-branes.

Computed tensions match expected values for these branes.

Solutions are free of singularities and static.

Abstract

In the context of tachyon effective theory coupled to Born-Infeld electromagnetic fields, we obtain all possible singularity-free static flat configurations of codimension one on unstable Dp-branes. Computed tension and string charge density suggest that the obtained kinks are D(p-1) or D(p-1)F1-branes.