COSMOLOGICAL

作品数:227被引量:72H指数:5
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相关领域:天文地球更多>>
相关作者:王文婷徐立昕范祖辉更多>>
相关机构:北京大学大连理工大学上海交通大学南京大学更多>>
相关期刊:《Communications in Theoretical Physics》《Journal of Earth Science》《Chinese Medicine》《Chinese Physics B》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中国博士后科学基金The Royal Society更多>>
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Cosmological distance forecasts for the CSST Galaxy Survey using BAO peaks
《Science China(Physics,Mechanics & Astronomy)》2025年第4期228-243,共16页Feng Shi Jieyi Tian Zhejie Ding Xiaohu Yang Yizhou Gu Christoph Saulder Xiaoping Li Yanming Liu Zitong Wang Hu Zhan Ming Li Xiaolei Li Hong Guo Yan Gong Yunkun Han Cheng Li Yipeng Jing Jipeng Sui Run Wen Gong-Bo Zhao Hu Zou Pengjie Zhang Xianzhong Zheng Xingchen Zhou 
supported by the National SKA Program of China(Grant Nos.2022SKA0110200 and 2022SKA0110202);the National Key Research and Development Program of China(Grant Nos.2023YFA1607800,2023YFA1607802,2023YFA1607804,and 2022YFF0503400);the National Natural Science Foundation of China(Grant Nos.12103037 and12273020);the 111 Project(Grant No.B20019);Shanghai Natural Science Foundation(Grant No.19ZR1466800);the science research grants from the China Manned Space Project(Grant Nos.CMS-CSST-2021-A02,CMS-CSST-2021-A03,and CMS-CSST-2021-B01);the Fundamental Research Funds for the Central Universities(Grant No.XJS221312);supported by Science Research Project of Hebei Education Department No.BJK2024134;supported by the High-Performance Computing Platform of Xidian University。
The measurement of cosmological distances using baryon acoustic oscillations(BAO)is crucial for studying the universe’s expansion.The China Space Station Telescope(CSST)galaxy redshift survey,with its vast volume and...
关键词:large-scale structure distance scale COSMOLOGY 
Primordial bounce-inflation scenario to alleviate cosmological tensions and lensing anomaly
《Science Bulletin》2025年第6期829-831,共3页Hao-Hao Li Xin-zhe Zhang Taotao Qiu 
supported by the National Key Research and Development Program of China(2021YFC2203100);the National Natural Science Foundation of China(12047503);Hao-Hao Li wishes to acknowledge the support of the China Postdoctoral Science Foundation(GZC20230902).
The cosmological tensions,including the Hubble tension and S8 tension,have become increasingly serious in the last several years.Moreover,in the Planck-2018 results,it has been found that there is about 10%more lensin...
关键词:primordial bounce inflation hubble tension S tension inflation scenario Hubble tension cosmological tensionsincluding cosmological tensions s tensionhave 
Solving the Hubble Tension Using the PantheonPlusSH0ES Supernova Database
《Journal of Applied Mathematics and Physics》2025年第2期593-622,共30页Espen Gaarder Haug Eugene Terry Tatum 
Making use of a CMB temperature formula derivable from the Stefan-Boltzmann law, we have discovered a duality between the Particle Data Group (PDG) CMB temperature of 2.7255 K and its implied Hubble constant H0value o...
关键词:Hubble Tension Hubble Constant Cosmological Redshift z CMB Temperature 
Cosmological Redshift Caused by Head-On Collisions with CMB Photons, Not by Expansion of Space
《Journal of High Energy Physics, Gravitation and Cosmology》2024年第4期1675-1698,共24页Gurcharn S. Sandhu Ishaan S. Dhindsa 
The Big Bang model was first proposed in 1931 by Georges Lemaitre. Lemaitre and Hubble discovered a linear correlation between distances to galaxies and their redshifts. The correlation between redshifts and distances...
关键词:REDSHIFT CMBR Big Bang COSMOLOGY Elastic Collisions Tired Light 
The BTFR and MOND with Redshifts of Graviton Energy
《Journal of High Energy Physics, Gravitation and Cosmology》2024年第4期1903-1917,共15页Firmin J. Oliveira 
This report is about the graviton redshift theory (GRST) which hypothesises the redshift of the energy of gravitons traveling in fields. A new source of energy loss in galaxy dynamics is introduced. Due to the hypothe...
关键词:GRAVITONS Gravitational Redshift Cosmological Redshift Graviton Coupling Coefficients Spiral Galaxies 
Measuring the anisotropies in astrophysical and cosmological gravitational-wave backgrounds with Taiji and LISA networks
《Science China(Physics,Mechanics & Astronomy)》2024年第12期61-69,共9页Zhi-Chao Zhao Sai Wang 
supported by the National Key Research and Development Program of China (Grant No.2021YFC2203001);supported by the National Natural Science Foundation of China (Grant No.12175243);the National Key R&D Program of China (Grant No.2023YFC2206403);the Science Research Grants from the China Manned Space Project (Grant No.CMS-CSST-2021-B01);supported by the Highperformance Computing Platform of China Agricultural University。
We investigate the capabilities of space-based gravitational-wave detector networks,specifically Taiji and LISA,to measure the anisotropies in stochastic gravitational-wave background(SGWB),which are characterized by ...
关键词:stochastic gravitational-wave background anisotropy space-based detector network 
Universe Expansion and Gravitation Unified
《International Journal of Astronomy and Astrophysics》2024年第4期259-276,共18页Antonio Medina 
Aims: The expansion of the Universe and gravitation are considered different fundamental properties of the cosmos. We explore whether they are connected and propose an equation that links and unifies them. This equati...
关键词:GRAVITATION UNIVERSE Cosmological Theories Visible Universe Hubble Expansion Cosmological Models Flat Space Cosmology Dark Energy Dark Matter Hubble Parameter Critical Density 
Statistical Properties and Cosmological Applications of Fast Radio Bursts
《Chinese Physics Letters》2024年第11期241-260,共20页Qin Wu Fa-Yin Wang 
supported by the Postdoctoral Fellowship Program of CPSF(Grant No.GZB20240308);the National Natural Science Foundation of China(Grant No.12273009)。
Fast radio burst(FRB)is a type of extragalactic radio signal characterized by millisecond duration,extremely high brightness temperature,and large dispersion measure.It remains a mystery in the universe.Advancements i...
关键词:GALACTIC UNIVERSE EPOCH 
Using Cartesian Slice Plots of a Cosmological Simulation as Input of a Convolutional Neural Network
《Research in Astronomy and Astrophysics》2024年第11期225-242,共18页Guillermo Arreaga-García 
support provided by the Laboratorio Nacional de Supercómputo del Sureste de México through grant No.O-2016/047。
Using a uniform partitioning of cubic cells,we cover the total volume of aΛCDM cosmological simulation based on particles.We define a visualization cell as a spatial extension of the cubic cell,so that we collect all...
关键词:methods numerical COSMOLOGY theory (cosmology:)large scale structure of universe 
The CMB Luminosity Distance and Cosmological Redshifts
《Journal of Applied Mathematics and Physics》2024年第10期3496-3501,共6页Espen Gaarder Haug 
We will outline the relationship between luminosity distance and cosmological redshifts, demonstrating that it is consistent with a new cosmological model recently proposed by Haug and Tatum [1] , which appears to res...
关键词:Luminosity Distance Angular Distance Co-Moving Distance 
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