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Anisotropies in the gravitational wave background as a probe of the cosmic string network
http://hdl.handle.net/2237/26623
http://hdl.handle.net/2237/26623dd6d6384-df09-4c73-91fa-05d7ec14f7eb
名前 / ファイル | ライセンス | アクション |
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PhysRevD95_043531.pdf (757.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-06-09 | |||||
タイトル | ||||||
タイトル | Anisotropies in the gravitational wave background as a probe of the cosmic string network | |||||
言語 | en | |||||
著者 |
Kuroyanagi, Sachiko
× Kuroyanagi, Sachiko× Takahashi, Keitaro× Yonemaru, Naoyuki× Kumamoto, Hiroki |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | © 2017 American Physical Society | |||||
抄録 | ||||||
内容記述 | Pulsar timing arrays are powerful tools to test the existence of cosmic strings by searching for the gravitational wave (GW) background. The amplitude of the background connects to information on cosmic strings such as the tension and string network properties. In addition, one may be able to extract more information on the properties of cosmic strings by measuring anisotropies in the GW background. In this paper, we provide estimates of the level of anisotropy expected in the GW background generated by cusps on cosmic strings. We find that the anisotropy level strongly depends on the initial loop size α, and thus we may be able to put constraints on α by measuring the anisotropy of the GW background. We also find that certain regions of the parameter space can be probed by shifting the observation frequency of GWs. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | American Physical Society | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevD.95.043531 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 2470-0010 | |||||
書誌情報 |
en : Physical Review D 巻 95, 号 4, p. 043531-043531, 発行日 2017-02-15 |
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著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | https://doi.org/10.1103/PhysRevD.95.043531 | |||||
識別子タイプ | DOI | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/26623 | |||||
識別子タイプ | HDL |