云南高校图书馆联盟文献共享服务平台- COSMIC

COSMIC: 作品数：538被引量：712H指数：12; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：徐晓华罗佳严卫马新欣官莉更多>>; 相关机构：武汉大学国防科学技术大学解放军理工大学南京信息工程大学更多>>; 相关期刊：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国家高技术研究发展计划国家重点实验室开放基金更多>>

Dynamical Dark Energy in Light of Cosmic Distance Measurements.Ⅰ.A Demonstration Using Simulated Datasets: 《Research in Astronomy and Astrophysics》2024年第6期7-14,共8页Gan Gu Xiaoma Wang Xiaoyong Mu Shuo Yuan Gong-Bo Zhao; supported by the National Key R&D Program of China(2023YFA1607800,2023YFA1607803);the National Natural Science Foundation of China (NSFC,Grant Nos.11925303 and11890691);supported by the National Natural Science Foundation of China (NSFC,Grant No.12203062);by a CAS Project for Young Scientists in Basic Research (No.YSBR-092);supported by science research grants from the China Manned Space Project with No.CMS-CSST-2021-B01;supported by the New Cornerstone Science Foundation through the XPLORER prize。; We develop methods to extract key dark energy information from cosmic distance measurements including the BAO scales and supernova(SN) luminosity distances.Demonstrated using simulated data sets of the complete DESI,L...; 关键词：(cosmology:)dark energy (cosmology:)large scale structure of universe (cosmology:)cosmic background radiation (cosmology:)cosmological parameters

Dynamical Dark Energy in Light of Cosmic Distance Measurements.Ⅱ.A Study Using Current Observations被引量：1: 《Research in Astronomy and Astrophysics》2024年第6期15-20,共6页Xiaoma Wang Gan Gu Xiaoyong Mu Shuo Yuan Gong-Bo Zhao; supported by the National Key R&D Program of China(2023YFA1607800 and 2023YFA1607803);National Natural Science Foundation of China (NSFC,Grant Nos.11925303 and 11890691);supported by the National Natural Science Foundation of China (NSFC,Grant No.12203062);by a CAS Project for Young Scientists in Basic Research (No.YSBR-092);supported by science research grants from the China Manned Space Project with No.CMS-CSST-2021-B01;supported by the New Cornerstone Science Foundation through the XPLORER prize。; We extract key information on dark energy from current observations of BAO,OHD and H_(0),and find hints of dynamical behavior of dark energy.In particular,a dynamical dark energy model whose equation of state crosses-...; 关键词：COSMOLOGY (cosmology:)dark energy cosmology:observations

A Better Candidate for Dark Matter is Cosmic Plasma: 《Research in Astronomy and Astrophysics》2023年第10期277-280,共4页Yi-Jia Zheng; In the ΛCDM cosmological model, based on observations of supernovae Ia, the cosmic dark energy density is assumed to be Ω_(Λ)~ 0.70 and the gravitational mass density is assumed to be Ω_(m)~ 0.30. Based on the ass...; 关键词：cosmology:theory (cosmology:)dark matter gravitational lensing:weak X-rays:galaxies:clusters

Potential for Constraining Propagation Parameters of Galactic Cosmic Rays with the High Energy Cosmic-radiation Detection Facility on Board China's Space Station被引量：1: 《Research in Astronomy and Astrophysics》2023年第8期290-296,共7页Zhi-Hui Xu Qiang Yuan Zhi-Cheng Tang Xiao-Jun Bi; supported by the National Key Research and Development Program of China(No.2021YFA0718404);the National Natural Science Foundation of China(No.12220101003);the Project for Young Scientists in Basic Research of Chinese Academy of Sciences(No.YSBR-061)。; Precise measurements of the spectra of secondary and primary cosmic rays are crucial for understanding the origin and propagation of those energetic particles.The High Energy Cosmic-radiation Detection(HERD)facility o...; 关键词：(ISM:)cosmic rays-instrumentation detectors-The Galaxy

High-precision Measurements of Cosmic Curvature from Gravitational Wave and Cosmic Chronometer Observations: 《Research in Astronomy and Astrophysics》2022年第8期198-205,共8页Yuan He Yu Pan Dong-Ping Shi Jin Li Shuo Cao Wei Cheng; the National Natural Science Foundation of China(Grant Nos.12105032,11873001,12047564,12075041 and 12147102);the Fundamental Research Funds for the Central Universities of China(Grant Nos.2021CDJQY-011 and 2020CDJQY-Z003);the Science Foundation of Chongqing(Grant No.D63012022005);Chongqing Science and Technology research project(Grant No.KJ111206);the Natural Science Foundation of Chongqing(Grant No.cstc2021jcyj-msxm X0481);the Scientific Research and Innovation Project of Graduate Students in Chongqing(Grant No.CYS20272)。; Although the spatial curvature has been measured with very high precision,it still suffers from the well-known cosmic curvature tension.In this paper,we use an improved method to determine the cosmic curvature,by usin...; 关键词：(cosmology:)cosmological parameters gravitational waves cosmology:observations

Estimating the power spectrum of a discrete cosmic momentum field with fast Fourier transform被引量：1: 《Research in Astronomy and Astrophysics》2020年第9期253-267,共15页Jun Pan; the National Key R&D Program of China(Grant No.2018YFE0202900);the National Natural Science Foundation of China(Grant No.11573030)。; Fast Fourier transform based estimators are formulated for measuring momentum power spectra,including the auto power spectra of the momentum,the momentum divergence,and the cross spectrum of density fluctuation and mo...; 关键词：large scale structure of Universe cosmology:theory methods:numerical methods:statistical

Investigating the relationship between cosmic curvature and dark energy models with the latest supernova sample: 《Research in Astronomy and Astrophysics》2020年第9期319-324,共6页Chao Gao Yun Chen Jie Zheng; the National Natural Science Foundation of China(Nos.11633001,11920101003,11703034,11773032 and 11573031);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB23000000);the Interdiscipline Research Funds of Beijing Normal University;the NAOC Nebula Talents Program。; We investigate the relationship between cosmic curvature and model of dark energy(hereafter DE)with recent TypeⅠa supernovae(hereafter SNeⅠa)data,i.e.,the Pantheon sample including 1048 SNeⅠa with 0.01; 关键词：cosmological parameters dark energy cosmology:observations

Hubble telescope 30 years in orbit:personal reflections被引量：3: 《Research in Astronomy and Astrophysics》2020年第4期1-6,共6页Robert Williams; With an initial requirement to make observations a minimum of 5–10 years,Hubble Space Telescope(HST)has continued to operate well for 30 years.It has relied upon five servicing missions to repair and replace essentia...; 关键词：HST COSMIC acceleration HUBBLE constant SUPERNOVAE

Calibration of the DAMPE Plastic Scintillator Detector and its on-orbit performance: 《Research in Astronomy and Astrophysics》2019年第3期145-154,共10页Meng Ding Ya-Peng Zhang Yong-Jie Zhang Yuan-Peng Wang Tie-Kuang Dong Antonio De Benedittis Paolo Bernardini Fang Fang Yao Li Jie Liu Peng-Xiong Ma Zhi-Yu Sun Valentina Gallo Stefania Vitillo Zhao-Min Wang Yu-Hong Yu Chuan Yue Qiang Yuan Yong Zhou Yun-Long Zhang; funded by the National Key Research and Development Program of China (2016YFA0400201);supported by the National Natural Science Foundation of China (11673047,11673075, 11303107, U1738127 and U1738205); The DArk Matter Particle Explorer(DAMPE) is a space-borne apparatus for detecting the highenergy cosmic-ray-like electrons, γ-rays, protons and heavy ions. The Plastic Scintillator Detector(PSD)is the top-most sub-de...; 关键词：COSMIC RAY instrumentation: DAMPE charge measurement plastic scintillator detector CALIBRATION

Prospects for detecting ultra-high-energy particles with FAST被引量：2: 《Research in Astronomy and Astrophysics》2019年第2期25-38,共14页Clancy W.James Justin D.Bray Ronald D.Ekers; The origin of the highest-energy particles in nature, ultra-high-energy(UHE) cosmic rays, is still unknown. In order to resolve this mystery, very large detectors are required to probe the low flux of these particles ...; 关键词：COSMIC RAYS NEUTRINOS techniques:miscellaneous MOON

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