Magnetic Weyl semimetals as a source of circularly polarized THz radiation

TL;DR

This paper proposes using magnetic Weyl semimetals to generate circularly polarized THz radiation via electromagnetic interactions with high-energy electron beams.

Contribution

It introduces a novel method for producing circularly polarized THz photons using magnetic Weyl semimetals and electron beams.

Findings

Electromagnetic radiation in the THz range can be generated.

Magnetic Weyl semimetals enable circular polarization of emitted radiation.

Potential for new THz source applications.

Abstract

We propose to use the electromagnetic radiation induced by a few MeV electron beam in magnetic Weyl semimetals as a source of the circularly polarized photons in the THz frequency range.