中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 国家天文台
  3. 中国科学院国家天文台
Conformal alpha-attractor inflation with Weyl gauge field

文献类型：期刊论文

作者Tang, Yong1,2,3; Wu, Yue-Liang1,4,5,6
刊名JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期2020-03-01
期号3页码:14
关键词inflation modified gravity physics of the early universe gravitational waves / sources
ISSN号1475-7516
DOI10.1088/1475-7516/2020/03/067
英文摘要Conformal scaling invariance should play an important role for understanding the origin and evolution of universe. During inflation period, it appears to be an approximate symmetry, but how it is broken remains uncertain. The appealing alpha-attractor inflation implements the spontaneous breaking of conformal symmetry and a mysterious SO(1; 1) global symmetry. To better understand the SO(1; 1) symmetry, here we present a systematic treatment of the inflation models with local conformal symmetry in a more general formalism. We find SO(2) is the other possible symmetry in the presence of Weyl gauge field. We also obtain all the analytic solutions that relate the inflation fields between Jordan frame and Einstein frame. We illustrate a class of inflation models with the approximate SO(2) symmetry and trigonometric potential, and find that it can fit the current observations and will be probed by future CMB experiments.
WOS关键词SYMMETRY ; COSMOLOGY ; FLATNESS ; UNIVERSE ; HORIZON
资助项目National Science Foundation of China (NSFC)[11851302] ; NSFC[11851302] ; NSFC[11851303] ; NSFC[11690022] ; NSFC[11747601] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB23030100] ; CAS Center for Excellence in Particle Physics (CCEPP)
WOS研究方向Astronomy & Astrophysics ; Physics
语种英语
WOS记录号WOS:000528029100068
出版者IOP PUBLISHING LTD
资助机构National Science Foundation of China (NSFC) ; National Science Foundation of China (NSFC) ; NSFC ; NSFC ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP) ; National Science Foundation of China (NSFC) ; National Science Foundation of China (NSFC) ; NSFC ; NSFC ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP) ; National Science Foundation of China (NSFC) ; National Science Foundation of China (NSFC) ; NSFC ; NSFC ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP) ; National Science Foundation of China (NSFC) ; National Science Foundation of China (NSFC) ; NSFC ; NSFC ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP)
源URL[http://ir.bao.ac.cn/handle/114a11/55195]  
专题中国科学院国家天文台
通讯作者Tang, Yong
作者单位1.UCAS, Hangzhou Inst Adv Study, Sch Fundamental Phys & Math Sci, Hangzhou 310024, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing, Peoples R China
4.Int Ctr Theoret Phys Asia Pacific, Beijing, Peoples R China
5.Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
6.Univ Chinese Acad Sci, Sch Phys Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Tang, Yong,Wu, Yue-Liang. Conformal alpha-attractor inflation with Weyl gauge field[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2020(3):14.
APA Tang, Yong,&Wu, Yue-Liang.(2020).Conformal alpha-attractor inflation with Weyl gauge field.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(3),14.
MLA Tang, Yong,et al."Conformal alpha-attractor inflation with Weyl gauge field".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .3(2020):14.

入库方式： OAI收割

来源：国家天文台

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。