Electromagnetic radiation from a relativistic jet induced by a plane gravitational wave

TL;DR

This paper investigates how a plane gravitational wave can induce electromagnetic radiation in a relativistic jet with uncompensated charge, analyzing the radiation's angular distribution under different relative motions.

Contribution

It introduces a model for electromagnetic radiation generated by a relativistic jet influenced by a weak plane gravitational wave, focusing on charge imbalance and deformation effects.

Findings

Derived the angular distribution of emitted electromagnetic radiation.

Analyzed cases where the jet and wave move in the same or opposite directions.

Provided insights into gravitational wave interactions with astrophysical jets.

Abstract

Electromagnetic radiation of a relativistic gas or plasma jet in the field of a plane gravitational wave is investigated. The gravitational wave is considered as a weak (linearized) field on flat Minkowski spacetime. It is assumed that the relativistic jet has large regions with uncompensated electric charge. The deformation of these areas under the action of a gravitational wave leads to the appearance of electric currents that generate electromagnetic radiation. The angular distribution of the intensity of this radiation is found. Cases are considered when the jet and the gravitational wave move in the same direction or towards each other.