Horizon Instability in the Cross Polarized Bell-Szekeres Spacetime
Ozay Gurtug, Mustafa Halilsoy
TL;DR
This paper investigates the stability of horizons formed during electromagnetic wave collisions, testing a conjecture across different models and revealing its limitations in certain cases.
Contribution
It provides a detailed analysis of horizon stability in cross polarized electromagnetic wave collisions and evaluates the Helliwell-Konkowski conjecture's validity in various scenarios.
Findings
Horizon instabilities occur in cross polarized electromagnetic wave collisions.
The Helliwell-Konkowski conjecture fails in the electromagnetic case.
The conjecture remains valid for scalar field and null dust cases.
Abstract
The quasiregular singularities (horizons) that form in the collision of cross polarized electromagnetic waves are, as in the linear polarized case unstable. The validity of the Helliwell-Konkowski stability conjecture is tested for a number of exact back-reaction cases. In the test electromagnetic case the conjecture fails to predict the correct nature of the singularity while in the scalar field and in the null dust cases the aggrement is justified.
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Taxonomy
TopicsCosmology and Gravitation Theories · Relativity and Gravitational Theory · Pulsars and Gravitational Waves Research