Limits on the Weak Equivalence Principle and Photon Mass with FRB 121102 Subpulses
文献类型：期刊论文
| 作者 | Xing, Nan1; Gao, He1; Wei, Jun-Jie2; Li, Zhengxiang1; Wang, Weiyang3,4; Zhang, Bing5; Wu, Xue-Feng2 ; Meszaros, Peter6,7,8
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| 刊名 | ASTROPHYSICAL JOURNAL LETTERS
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| 出版日期 | 2019-09-01 |
| 卷号 | 882期号:1页码:6 |
| ISSN号 | 2041-8205 |
| DOI | 10.3847/2041-8213/ab3c5f |
| 通讯作者 | Gao, He(gaohe@bnu.edu.cn) |
| 英文摘要 | Fast radio bursts (FRBs) are short-duration (similar to millisecond) radio transients with cosmological origin. The simple sharp features of the FRB signal have been utilized to probe two fundamental laws of physics, namely, testing Einstein's weak equivalence principle and constraining the rest mass of the photon. Recently, Hessels et al. found that after correcting for dispersive delay, some of the bursts in FRB 121102 have complex time-frequency structures that include subpulses with a time-frequency downward drifting property. Using the delay time between subpulses in FRB 121102, here we show that the parameterized post-Newtonian parameter gamma is the same for photons with different energies to the level of vertical bar gamma(1)-gamma(2)vertical bar < 2.5 x 10(-16), which is 1000 times better than previous constraints from FRBs using similar methods. We also obtain a stringent constraint on the photon mass, m(gamma) < 5.1 x 10(-48) g, which is 10 times smaller than previous best limits on the photon mass derived through the velocity dispersion method. |
| WOS关键词 | FAST RADIO-BURST ; HOST GALAXY ; VELOCITY ; LIGHT ; DISTANCE |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| 出版者 | IOP PUBLISHING LTD |
| WOS记录号 | WOS:000484250100008 |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/27998]  |
| 专题 | 中国科学院紫金山天文台 |
| 通讯作者 | Gao, He |
| 作者单位 | 1.Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China 2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China 3.Chinese Acad Sci, Natl Astron Observ, Key Lab Computat Astrophys, 20A Datun Rd, Beijing 100101, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89154 USA 6.Penn State Univ, Dept Astron & Astrophys, 525 Davey Lab, University Pk, PA 16802 USA 7.Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA 8.Penn State Univ, Inst Gravitat & Cosmos, Ctr Particle & Gravitat Astrophys, 525 Davey Lab, University Pk, PA 16802 USA |
| 推荐引用方式 GB/T 7714 | Xing, Nan,Gao, He,Wei, Jun-Jie,et al. Limits on the Weak Equivalence Principle and Photon Mass with FRB 121102 Subpulses[J]. ASTROPHYSICAL JOURNAL LETTERS,2019,882(1):6. |
| APA | Xing, Nan.,Gao, He.,Wei, Jun-Jie.,Li, Zhengxiang.,Wang, Weiyang.,...&Meszaros, Peter.(2019).Limits on the Weak Equivalence Principle and Photon Mass with FRB 121102 Subpulses.ASTROPHYSICAL JOURNAL LETTERS,882(1),6. |
| MLA | Xing, Nan,et al."Limits on the Weak Equivalence Principle and Photon Mass with FRB 121102 Subpulses".ASTROPHYSICAL JOURNAL LETTERS 882.1(2019):6. |
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来源：紫金山天文台
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