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Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

A Review of Axion Lasing in Astrophysics

Version 1 : Received: 29 November 2023 / Approved: 29 November 2023 / Online: 29 November 2023 (10:50:38 CET)

A peer-reviewed article of this Preprint also exists.

Chen, L.; Kephart, T.W. A Review of Axion Lasing in Astrophysics. Universe 2024, 10, 24. Chen, L.; Kephart, T.W. A Review of Axion Lasing in Astrophysics. Universe 2024, 10, 24.

Abstract

Axions can be stimulated to decay to photons by ambient photons of the right frequency or by photons from decay of neighboring axions. If the axion density is high enough the photon intensity can be amplified, which is a type of lasing or an axion maser. Here we review the astrophysical situations where axion lasing can appear and possibly be detected.

Keywords

axions; laser; maser; parametric resonance; superradiance; Kerr black holes

Subject

Physical Sciences, Particle and Field Physics

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