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HIGH-REDSHIFT: 作品数：35被引量：10H指数：1; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：江林华更多>>; 相关机构：北京大学更多>>; 相关期刊：《Chinese Physics Letters》《Science Bulletin》《Journal of Modern Physics》《Research in Astronomy and Astrophysics》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划王宽诚敎育基金国家教育部博士点基金更多>>

JWST Observations Constrain the Time Evolution of Fine Structure Constants and Dark Energy-electromagnetic Coupling: 《Research in Astronomy and Astrophysics》2024年第12期116-124,共9页Ze-Fan Wang Lei Lei Lei Feng Yi-Zhong Fan; the National Natural Science Foundation of China(NSFC,Grant Nos.11921003,12233011,and 12373002)。; It was hypothesized in the literature that some physical parameters may be time-evolving and the astrophysical data can serve as a probe.Recently,the James Webb Space Telescope(JWST)released its early observations.In ...; 关键词：COSMOLOGY observations-(cosmology)dark energy-galaxies HIGH-REDSHIFT

Rapidly growing primordial black holes as seeds of the massive high-redshift JWST Galaxies: 《Science China(Physics,Mechanics & Astronomy)》2024年第10期139-146,共8页Guan-Wen Yuan Lei Lei Yuan-Zhu Wang Bo Wang Yi-Ying Wang Chao Chen Zhao-Qiang Shen Yi-Fu Cai Yi-Zhong Fan; supported in part by the National Key R&D Program of China(Grant No.2021YFC2203100);the National Natural Science Foundation of China(Grant Nos.11921003,11961131007,11653002,12003029,12261131497,and 12003074);China Postdoctoral Science Foundation(Grant No.2023TQ0355);CAS Young Interdisciplinary Innovation Team(Grant No.JCTD-2022-20);111 Project for“Observational and Theoretical Research on Dark Matter and Dark Energy”(Grant No.B23042);the Fundamental Research Funds for Central Universities;the CSC Innovation Talent Funds;the CAS Project for Young Scientists in Basic Research(Grant No.YSBR-006);by the USTC Research Funds of the Double First-Class Initiative。; A group of massive galaxies at redshifts of z■7 have been recently detected by the James Webb Space Telescope(JWST),which were unexpected to form at such an early time within the standard Big Bang cosmology.In this w...; 关键词：primordial black hole dark matter halo black hole accretion primordial galaxies

Supermassive Primordial Black Holes for Nano-Hertz Gravitational Waves and High-redshift JWST Galaxies: 《Research in Astronomy and Astrophysics》2024年第9期1-6,共6页Hai-Long Huang Yong Cai Jun-Qian Jiang Jun Zhang Yun-Song Piao; supported by the National Natural Science Foundation of China(NSFC,grant No.12075246);the Fundamental Research Funds for the Central Universities;the Fundamental Research Funds for the Central Universities(grant No.E2EG6602X2 and grant No.E2ET0209X2);supported in part by the Natural Science Foundation of Henan Province and Zhengzhou University(grant Nos.242300420231,JC23149007,35220136);the China Postdoctoral Science Foundation(grant No.2021M692942);the NSFC(grant No.11905224);the NSFC(grant No,12147103);supported by the scientific research starting grants from University of Chinese Academy of Sciences(grant No.118900M061)。; Recently,observational hints for supermassive black holes have been accumulating,prompting the question:Can primordial black holes(PBHs)be supermassive,particularly with masses M■10^(9)M_(⊙)?A supercritical bubble,c...; 关键词：(cosmology:)early universe (cosmology:)inflation (galaxies:)quasars:supermassive black holes

Black holes as the source of dark energy:A stringent test with high-redshift JWST AGNs: 《Science China(Physics,Mechanics & Astronomy)》2024年第2期181-188,共8页Lei Lei Lei Zu Guan-Wen Yuan Zhao-Qiang Shen Yi-Ying Wang Yuan-Zhu Wang Zhen-Bo Su Wen-Ke Ren Shao-Peng Tang Hao Zhou Chi Zhang Zhi-Ping Jin Lei Feng Yi-Zhong Fan Da-Ming Wei; support of Cyrus Chun Ying Tang Foundations;supported by the National Natural Science Foundation of China(Grant Nos.11921003,and 12233011);the Chinese Academy of Sciences via the Key Research Program of Frontier Sciences(Grant No.QYZDJ-SSWSYS024)。; Studies have proposed that there is evidence for cosmological coupling of black holes(BHs)with an index of k≈3;hence,BHs serve as the astrophysical source of dark energy.However,the data sample is limited for the red...; 关键词：dark energy supermassive black hole active galactic nuclei James Webb Space Telescope

Investigating the Evolution of Amati Parameters with Redshift: 《Research in Astronomy and Astrophysics》2024年第1期188-200,共13页Meghendra Singh Darshan Singh Kanhaiya Lal Pandey Dinkar Verma Shashikant Gupta; M.S.thanks DMRC for support;D.S.thanks the compeers of GD Goenka University for continuing assistance.; Gamma-ray bursts(GRBs) are among the brightest objects in the Universe and, hence, can be observed up to a very high redshift. Properly calibrated empirical correlations between intensity and spectral correlations of ...; 关键词：COSMOLOGY gamma rays:general (cosmology:)large-scale structure of universe galaxies:high-redshift

Preliminary Study of Photometric Redshifts Based on the Wide Field Survey Telescope: 《Research in Astronomy and Astrophysics》2023年第12期138-152,共15页Yu Liu Xiao-Zhi Lin Yong-Quan Xue Huynh Anh N.Le; supported by the National Key R&D Program of China(2022YFF0503401);the National Natural Science Foundation of China(12203047,12025303,11890693,12003031);the science research grants from the China Manned Space Project with NO.CMSCSST-2021-A06;the Fundamental Research Funds for the Central Universities(WK3440000006,WK2030000057)。; The Wide Field Survey Telescope(WFST)is a dedicated time-domain multi-band(u,g,r,i,and z)photometric survey facility under construction.In this paper,we present a preliminary study that assesses the quality of photome...; 关键词：GALAXIES distances and redshifts-galaxies high-redshift-galaxies PHOTOMETRY

Reionizing Islands with Inhomogeneous Recombinations: 《Research in Astronomy and Astrophysics》2023年第6期172-186,共15页朱润玉徐怡冬岳斌陈学雷; supported by the National Key R&D Program of China No.2018YFE0120800;the National Natural Science Foundation of China grant No.11973047;the National Key R&D Program of China No.2022YFF0504300;the National SKA Program of China Nos.2020SKA0110401,and 2020SKA0110402。; Observations are beginning to constrain the history of the epoch of reionization(EoR).Modeling the reionization process is indispensable to interpret the observations,to infer the properties of ionizing sources,and to...; 关键词：(cosmology:)dark ages REIONIZATION first stars (galaxies:)intergalactic medium (cosmology:)large-scale structure of universe galaxies:high-redshift

Investigating the Hubble Tension Through Hubble Parameter Data: 《Research in Astronomy and Astrophysics》2023年第6期199-202,共4页Rahul Kumar Thakur Shashikant Gupta Rahul Nigam PK Thiruvikraman; The Hubble constant(H_0),which represents the expansion rate of the universe,is one of the most important cosmological parameters.The recent measurements of H0using the distance ladder methods such as type Ia supernov...; 关键词：(cosmology:)cosmological parameters galaxies:high-redshift (stars:)supernovae:general

Average Luminous Mass of Early Galaxies at z = 10 - 20 Predicted as ~10<sup>9</sup> Solar Masses: 《Journal of Modern Physics》2023年第3期208-211,共4页T. R. Mongan; This paper predicts the average luminous mass of galaxies that will be detected by JWST space telescope at redshift z ≈ 10 - 20. The prediction, derived in the paper, is based on holographic analysis, developed from ...; 关键词：Galaxies: High-Redshift

Merging History of Massive Galaxies at 3<z<6: 《Research in Astronomy and Astrophysics》2023年第1期100-107,共8页Kemeng Li Zhen Jiang Ping He Qi Guo Jie Wang; supported by the National Key R&D Program of China(Nos.2018YFE0202900 and 2022YFA1602901);the NSFC grant(Nos.11988101,11873051 and 12125302);NSFC grant(No.12033008);CAS Project for Young Scientists in Basic Research Grant(No.YSBR-062);the K.C.Wong Education Foundation;the National Key Research and Development of China(No.2018YFA0404503);the support by the National Natural Science Foundation of China(Nos.12047569 and 12147217);the science research grants from the China Manned Space Project with Nos.CMSCSST-2021-A03 and CMS-CSST-2021-A07;by the Natural Science Foundation of Jilin Province,China(No.20180101228JC)。; The observational data of high redshift galaxies become increasingly abundant,especially since the operation of the James Webb Space Telescope,which allows us to verify and optimize the galaxy formation model at high ...; 关键词：GALAXIES evolution-galaxies formation-galaxies high-redshift-(galaxies:)quasars supermassive black holes

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