Searching for Axionlike Particles under Strong Gravitational Lenses

被引：12

作者：

Basu, Aritra ^{[1
,2
]}

Goswami, Jishnu ^{[2
]}

Schwarz, Dominik J. ^{[2
]}

Urakawa, Yuko ^{[2
,3
]}

机构：

[1] Thuringer Landessternwarte, Sternwarte 5, D-07778 Tautenburg, Germany

[2] Univ Bielefeld, Fak Phys, Postfach 100131, D-33501 Bielefeld, Germany

[3] Nagoya Univ, Dept Phys & Astrophys, Chikusa Ku, Nagoya, Aichi 4648602, Japan

来源：

PHYSICAL REVIEW LETTERS | 2021年 / 126卷 / 19期

关键词：

BROAD-BAND; GALAXIES; INVARIANCE;

D O I：

10.1103/PhysRevLett.126.191102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We establish strong gravitational lens systems as robust probes of axionlike particles (ALPs)-a candidate for dark matter. A tiny interaction of photons with ALPs induces birefringence. Multiple images of gravitationally lensed polarized objects allow measurement of differential birefringence, alleviating systematics and astrophysical dependencies. We apply this novel method to the lens system CLASS B1152 + 199 and constrain the ALP-photon coupling <= 9.2 x 10(-11) to 7.7 x 10(-8) GeV-1 (95% C.L.) for an ALP mass between 3.6 x 10(-21) and 4.6 x 10(-18) eV. A larger sample will improve the constraints.

引用

页数：6

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