Hunting Axion Dark Matter with Protoplanetary Disk Polarimetry

Tomohiro Fujita, Ryo Tazaki, Kenji Toma

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

We find that the polarimetric observations of protoplanetary disks are useful to search for ultralight axion dark matter. Axion dark matter predicts the rotation of the linear polarization plane of propagating light, and protoplanetary disks are ideal targets to observe it. We show that a recent observation puts the tightest constraint on the axion-photon coupling constant for an axion mass m 10-21 eV.

Original languageEnglish
Article number191101
JournalPhysical Review Letters
Volume122
Issue number19
DOIs
Publication statusPublished - 2019 May 14
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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