期刊
PHYSICAL REVIEW LETTERS
卷 122, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.122.191101
关键词
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资金
- JSPS [18H01245]
- [17J09103]
- [17J02411]
- Grants-in-Aid for Scientific Research [18H01245] Funding Source: KAKEN
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 less than or similar to 10(-21) eV.
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